CREDO TECHNOLOGY CORPORATION Patent applications |
Patent application number | Title | Published |
20130019730 | Miter Saw with Cutting Alignment Device on a Dust Chute - A miter saw with a cutting alignment device includes a base with a work surface provided thereon. A bevel support is pivotable with respect to the base and a cutting blade is supported by the bevel support. A dust chute is adjustably secured to the bevel support and pivots with respect to the base when the bevel support pivots. The dust chute includes mounts that allow lateral adjustment of the dust chute with respect to the bevel support. A laser alignment device is positioned on the dust chute and configured to emit a beam of light toward the work surface. The dust chute includes a receptacle designed and dimensioned to releasably hold the laser alignment device. Because the laser alignment device is retained on the dust chute, adjustment of the dust chute also results in adjustment of a beam of light emitted from the laser alignment device. | 01-24-2013 |
20120024424 | Modular Router With Base Power Switch - A routing machine comprises a base unit and a motor unit releasably connected to the base unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor, motor control circuitry configured to energize or de-energize the electric motor, and a second electrical connector connected to the motor control circuitry. The second electrical connector is configured to engage the first electrical connector when the motor unit is properly seated on the base unit. An electric switch is positioned on the base unit. The motor control circuitry is configured to deliver electric power to the electric motor when the switch is in an on position. The motor control circuitry is configured to not provide electric power to the electric motor when the switch is in an off position. | 02-02-2012 |
20110214541 | Work Piece Guide Assembly for Table Saw - A work piece guide assembly is for use with a table saw having a fence that defines an elongated slot. The work piece guide assembly includes a body having a mating component configured to be received in the elongated slot of the fence. A handle for manipulating the guide assembly is supported by the body. The work piece guide assembly includes an arm having a first end portion pivotably mounted in relation to the body and a second end portion defining a work piece contact surface. A roller is rotatably connected to the second end portion of the arm. | 09-08-2011 |
20110192879 | Pneumatic Nailer with Sleeve Actuated Piston Return - A pneumatic nailer for use with a high pressure fluid source is disclosed. The pneumatic nailer includes a housing defining a storage chamber positionable in fluid communication with the high pressure fluid source, a cylinder positioned within said housing, a piston having a piston head, said piston head being movable within said cylinder, said cylinder and said piston head defining a return chamber on side of said piston head, a sleeve movable with respect to said cylinder between a first sleeve position and a second sleeve position, said sleeve and said cylinder defining a sleeve space therebetween, wherein, when said sleeve is positioned in said first sleeve position, said sleeve space is isolated from fluid communication with said return chamber, and wherein, when said sleeve is positioned in said second sleeve position, said sleeve space is positioned in fluid communication with said return chamber. | 08-11-2011 |
20110188957 | ATTACHMENT INTERFACE FOR ROTARY HAND TOOLS - Embodiments of the present invention are directed to an attachment interface for a handheld power tool having an elongated housing and a rotary output shaft, the interface comprising a nose portion having a generally cylindrically shaped wall extending in the direction of the center axis to a flat annular surface, a plurality of screw threads formed in an outer surface of the wall configured to have an attachment device with a screw threaded collar mounted on the interface, and a first plurality of keys formed in an inner surface of the wall configured to receive have an attachment device with a second plurality of complementary keys, the engaged keys preventing rotation of the attachment device when the attachment device is mounted on the interface. | 08-04-2011 |
20110186322 | LOCKOUT APPARATUS FOR PROTECTING AN ATTACHMENT DEVICE MOUNTED ON ROTARY POWER TOOLS - A power hand tool comprising an elongated housing with a nose portion having an opening concentric with a rotary output shaft, the nose portion being configured to have an accessory device mounted thereon, a shaft lock mechanism including a shaft lock actuator that is located at least adjacent to or on the nose portion and is configured to be moved by a user to engage the output shaft and prevent rotation thereof, the actuator being configured to be disabled from movement to engage the output shaft when an accessory device is mounted on the nose portion. | 08-04-2011 |
20110186316 | DRIVE SYSTEM FOR INTERCONNECTING ATTACHMENT DEVICES AND HANDHELD ROTARY POWER TOOLS - Embodiments of the present invention are directed to a drive system for releasably interconnecting a motor shaft of a rotary hand held power tool and an input shaft of an attachment device that is mounted thereon, the system comprising, an elongated flexible drive shaft connected to the input shaft of the attachment device, the flexible drive shaft having an outer end portion with a non-circular cross-section configured to engage a complementarily shaped cavity of an output shaft operatively attached to the power tool motor shaft, an elongated output shaft operatively connected to the motor shaft of the power tool, the output shaft having a generally cylindrical outer configuration along its length and having a rearward mounting portion for attachment to the motor shaft, an intermediate portion having the complementarily shaped cavity for receiving the flexible drive shaft and a forward portion with an enlarged concentric opening for receiving and guiding the outer end portion of the flexible drive shaft into the cavity during mounting the attachment device on the power tool. | 08-04-2011 |
20110185869 | DUST COLLECTION ATTACHMENT SYSTEM FOR HANDHELD POWER TOOLS - Embodiments of the present invention are directed to a dust collection attachment system for use with a power tool having an elongated housing with a nose portion with a rotary output shaft, the nose portion being configured to have an accessory device mounted thereon, the system comprising a flexible dust hose attachable to the accessory device for removing dust and particles from the immediate area of the accessory device, the accessory device having a dust exhaust port for connection with the hose and a hose support removably attached to a rear end portion of the power tool opposite the nose portion thereof for supporting the dust hose, the support having a releasable mounting clasp on one end for attachment to the rear end of the power tool and a hose retaining clip attached to the mounting clasp | 08-04-2011 |
20110179931 | BLADE MOUNTING ASSEMBLY - A blade mounting assembly for mounting a rotary blade to an arbor comprises an outer washer including a hub configured to extend through a bore of the blade, the hub defining a central bore sized to receive a spindle of the arbor. The hub further includes a locating surface arranged to contact the shoulder when the spindle extends through the central bore. The washer includes an engagement surface contacting the left side face of the blade when the hub extends through the bore of the blade. The engagement surface is disposed a fixed axial distance from the locating surface relative to the length of the hub. A fastener engages the outer washer to the arbor with the locating surface in contact with the shoulder. The assembly further includes a biasing element configured to be disposed over the hub between the shoulder and the right side face of the blade. | 07-28-2011 |
20110170312 | ARTICULATING DRILL WITH ILLUMINATION - The present invention is an articulating hand power tool which in one embodiment includes a head portion including a head housing configured to articulate with a main housing, a bit holder rotatably positioned within the head housing, and a lighting assembly configured to emit a first elongated beam pattern from the head portion. | 07-14-2011 |
20110162502 | MITER DETENT OVERRIDE MECHANISM - Embodiments of the invention are directed to a miter saw comprising a base with a plurality of detents, a rotatable table mounted to the base, the table having a front handle portion configured to enable a user to angularly adjust the position of the table relative to the base, a detent system mounted to the table and comprising a moveable lever with a gripping portion and a detent pin on the opposite end thereof selectively engaging the detents, and a detent override mechanism for retaining the lever and detent pin out of engagement with the detents, the override mechanism comprising a moveable button positioned on the top of the handle portion, whereby a user can grasp the handle portion and gripping portion with one hand and move the button with the thumb to retain the lever and associated detent pin out of engagement with any of the detents. | 07-07-2011 |
20110162501 | DUST EXTRACTION BLADE GUARD SYSTEM FOR POWER SAWS - Embodiments of the invention are directed a guard system for a table saw having a top surface with an opening through which a blade extends for cutting a work piece, the forward reach of the cutting edge of the blade engaging the work piece in a downward cutting direction, the system comprising an upper guard mounted to the table saw and configured to enclose the blade to shield a user from contacting the blade, the upper guard having an outlet adjacent the rearward reach of the blade for connection to a vacuum source, an inlet adjacent to the forward reach of the blade and to the table top surface and an interior channel communicating the inlet to the outlet. | 07-07-2011 |
20110162500 | POWER SAW HAVING A DUST CLEANING SYSTEM - Embodiments of the invention are directed to a table saw comprising: a base assembly having a base structure and side walls, a table top assembly top surface, and an undercarriage assembly including a motor, the undercarriage assembly configured to adjust the vertical and angular position of a blade relative to the table top assembly; the undercarriage assembly further comprising: an undercarriage frame and cover together defining a narrow housing configured and sized to enclose substantially all of an installed blade under the top surface, the housing having an upper pivot for adjusting the angular position of the blade and being configured to have the motor slidably mounted therein to adjust the vertical position of the blade; and a removable port structure attached to a bottom portion of the undercarriage assembly, the port structure having an outlet port at an outer end configured to be connected to a vacuum source. | 07-07-2011 |
20110132959 | FASTENER DRIVER WITH AN OPERATING SWITCH - A fastening tool includes a drive assembly configured to drive a fastener from the fastening tool, a work contact element moveable between an extended position and a depressed position, a trigger moveable between a release position and a fire position, an electric power source, an electronic control unit configured to deliver electric power from the electric power source to the drive assembly, and a single electric switch connected to the electronic control unit and configured to indicate that the work contact element is in the depressed position and the trigger is in the fire position. | 06-09-2011 |
20110132958 | FASTENING TOOL WITH RELEASABLE WORK CONTACT ELEMENT - A tool for driving fasteners includes a work contact element configured to move between a first position and a second position. The tool is prevented from driving fasteners when the work contact element is in the first position. The tool further includes an extension member rigidly connected to the work contact element in a releasable connection arrangement. The releasable connection arrangement is configured to maintain a rigid connection between the work contact element and the extension member during normal operation of the tool. The releasable connection arrangement is further configured to release the rigid connection between the work contact element and the extension member during high impact events that are not associated with normal operation of the tool. | 06-09-2011 |
20110095493 | PIEZOELECTRIC CLAMPING DEVICE - A clamping apparatus has been developed for coupling a tool member to the output shaft of a power tool without the use of auxiliary hands tools or a shaft-lock lever. The clamping apparatus includes a clamp member and a piezoelectric element. The clamp member is coupled to an output shaft of a motor. The piezoelectric element opposes the first clamp member and is configured to change from a first state to a second state in response to being coupled to a source of electrical energy. | 04-28-2011 |
20110072946 | ACCESSORY ATTACHMENT SYSTEM FOR AN OSCILLATING POWER TOOL - An accessory attachment system for a power tool having an elongated housing with a nose portion, an output shaft to which a cutting blade that oscillates through a small angle is attached, the attachment comprising, an accessory interface removably mounted to the nose portion of the housing and a depth guide attachment rotatably mounted to the accessory interface, the depth guide attachment further comprising a relatively thin body portion having a generally circular first opening with a center axis generally parallel to the output shaft, the body portion fitting on the accessory interface and being rotatable thereon and having a second circular opening transverse to the first opening center axis, a depth guide member adjustably mounted on the body portion and having an offset outer end portion, and a locking member configured to secure the depth guide member in a desired position. | 03-31-2011 |
20110067894 | COUNTERBALANCE FOR ECCENTRIC SHAFTS - A power tool includes a housing, a motor having a motor output shaft and located within the housing, the motor being configured to rotate the motor output shaft about a first axis, a drive component having (i) a body attached to the motor output shaft, and (ii) an output drive pin attached to the body, the output drive pin defining a second axis which is offset from the first axis, the body being caused to rotate about the first axis in response to rotation of the motor output shaft about the first axis, and the output drive pin being caused to be eccentrically driven in response to rotation of the body about the first axis, and further the body having a hub and a counterbalance arrangement attached to the hub, the counterbalance arrangement being positioned and configured to offset forces generated by the output drive pin when eccentrically driven, a linkage configured to oscillate in response to the output drive pin being eccentrically driven, and a tool mount configured to oscillate in response to oscillation of the linkage. | 03-24-2011 |
20110067540 | TABLE SAW WITH MOVABLE TABLE AND STATIONARY RIP FENCE - Embodiments of a power table saw are described which have a frame structure configured to support a movable saw assembly. The table saw also includes a rip fence attached to the frame structure in a fixed position for contacting a work piece during a cutting operation by said table saw. Further, a table assembly is provided, having a top surface for supporting a work piece, a blade extendable through an opening in the top surface for cutting a work piece, and a motor mounted beneath the top surface for driving the blade. The table assembly is movably mounted on the frame structure so that the table assembly is adjustable, allowing adjustment of the distance between the blade and the rip fence. | 03-24-2011 |
20110062208 | FASTENER DRIVER WITH DRIVER ASSEMBLY BLOCKING MEMBER - A device for driving a plurality of fasteners includes a driver assembly having a drive block, a flywheel and a driver mount. The driver mount is configured to move between a first position where the flywheel is removed from the drive block and a second position where the flywheel engages the drive block. The device also includes a work contact element configured to move between an extended position and a depressed position. A blocking arm is connected to the work contact element and configured to move with the work contact element. The blocking arm is positioned in a path of movement of the driver mount when the work contact element is in the extended position. The blocking arm is removed from the path of movement of the driver mount when the Work contact element is in the depressed position. | 03-17-2011 |
20110062207 | FASTENER DRIVER WITH BLANK FIRE LOCKOUT - A fastener driver comprises a housing and a magazine configured to retain a plurality of fasteners. A driver assembly is positioned within the housing and is configured to provide an expulsion force that expels one of the plurality of fasteners from the magazine. The device further includes a lockout member configured to pivot about a pivot axis between an unlocked position and a lockout position. The pivot axis is configured to move relative to the housing when a work contact element is depressed. The driver assembly is prevented from providing the expulsion force when the lockout arm is in the lockout position. The pivot arm moves from the unlocked position to the lockout position when a low level of fasteners remains in the magazine. | 03-17-2011 |
20110061506 | GUARD SYSTEM FOR A POWER SAW - A modular guard system for a power saw of the type which has a table top having an opening through which a rotatable saw blade can extend includes a riving knife mounted to the saw rearwardly of the blade and having first and second notches with openings facing away from each other. A blade guard assembly is releasably mounted on the riving knife and configured to cover the blade. The blade guard assembly includes a mounting portion configured to receive a top portion of the riving knife having the first and second notches and a release mechanism provided in the mounting portion and having a spring member for engaging the first notch and a latch member connected to the spring member for engaging the second notch. The latch member exerts a force on the spring member to cooperatively hold the first and second notches between the spring member and the latch member to retain the riving knife in the mounting portion. The riving knife is released from the mounting portion when the force exerted on the spring member is removed by the latch member and the spring member is disengaged from the first notch. | 03-17-2011 |
20110061245 | SHOCK ABSORBING, VIBRATION ISOLATING AND JAM PROTECTING FOOT DEVICE FOR A RECIPROCATING SAW - Embodiments of a foot apparatus for use with a power reciprocating saw having a nose portion configured to receive the same, the apparatus comprising an elongated foot stem configured to be inserted into the nose portion of the saw a foot pad having a forward surface for contacting a work piece and having an opening through which a blade extends, a front housing having one end portion with a first pivot connection to the stem and an opposite end portion having a second pivot connection to the foot pad, a compliant element interposed between one of the foot pad and front housing and the stem configured to resist pivoting of the front housing relative to the stem and thereby isolate and dampen vibration and shock that is transmitted to the stem by reciprocating action of the plunger and by cutting of a work piece. | 03-17-2011 |
20110048207 | TABLE SAW WITH LINKAGE DROP SYSTEM - A table saw in one embodiment includes a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above a work-piece support surface and a second swing arm position, a first link arm with a first tracking component and a first slot, the first tracking component slidingly engaged with the swing arm assembly, a second link arm with a second tracking component engaged with the first slot, an actuator configured to pivot the second link arm from a first position whereat force from the first link arm acting on the tracking component is directed at a second link arm pivot toward a second position whereat the force is not directed at the second link arm pivot, and a control system configured to actuate the actuator in response to a sensed condition. | 03-03-2011 |
20110048206 | TABLE SAW WITH ALIGNMENT PLATE - A power tool in one embodiment includes a latch hold mechanism, a swing arm pivotable about a pivot along a swing arm path, at least one alignment plate positioned adjacent to a portion of the swing arm when the swing arm is in a first position, a latch pin movable between a first latch pin position whereat the swing arm is biased against the at least one alignment plate and a second latch pin position whereat the swing arm is not biased by the latch pin, an actuating device configured to transfer a force to the swing arm resulting in a bias on the latch pin in a direction toward the second latch pin position, and a control system configured to control the actuating device to transfer a force to the swing arm when the swing arm is maintained at the first swing arm position. | 03-03-2011 |
20110048205 | TABLE SAW WITH DUST SHIELD - A table saw in one embodiment includes a motor, a blade operably connected to the motor, at least a portion of the blade positioned within an enclosure, and a dust plate extending within the enclosure and positioned between the at least a portion of the blade and the motor. | 03-03-2011 |
20110048204 | TABLE SAW WITH ACTUATOR RESET MECHANISM - A power tool in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a latch hold pivotable between a first latch hold position whereat the swing arm assembly can be supported by the latch hold in the first swing arm position and a second latch hold position whereat the swing arm assembly cannot be supported by the latch hold in the first swing arm position, an actuator chamber configured to receive at least one actuator, an opening in the actuator chamber, and a plug aligned with the opening and connected to the latch hold. | 03-03-2011 |
20110048202 | SAW WITH DIGITAL MEASUREMENT DEVICE - A saw comprises a blade configured to perform a cut on a work piece at a cutting position. The saw includes a measurement device configured to determine a distance. The measurement device includes a laser generator configured to emit a laser beam. A laser interference member is provided on the work piece with a portion of the laser interference member in the path of the laser beam. The laser interference member comprises a reflective surface configured to reflect the laser beam and an adhesive surface configured to adhere to the work piece. A digital display provides an indication of the determined distance. In another embodiment, the measurement device is provided as a sensor wheel associated with the engagement surface. The sensor wheel is configured to rotate when the work piece is moved along the engagement surface and determine a distance the work piece has moved along the engagement surface. | 03-03-2011 |
20110048201 | RIP FENCE WITH A ROLLER-TYPE ACTIVATION MECHANISM - A rip fence for a table saw including a front rail and a rear rail, the rip fence including a front clamping mechanism positioned adjacent to the front rail and including a locking tip, a pivotable activation plate and a handle, a rear clamping mechanism positioned adjacent to the rear rail, the activation plate being coupled to the rear clamping mechanism where the handle is movable between a release position and a locking position, and including a rolling member movable between an upper end and a lower end of the activation plate, wherein when the handle is moved from the release position to the locking position, the rolling member moves from the upper end to the lower end of the activation plate, causing the activation plate to move the rear clamping mechanism into engagement with the rear rail. | 03-03-2011 |
20110048196 | TABLE SAW WITH DROPPING BLADE - A power tool in one embodiment is a table saw which includes a latch hold mechanism, a swing arm movable along a swing arm path between a first position adjacent the latch hold mechanism and a second position spaced apart from the latch hold mechanism, a latch movable between a first position whereat the swing arm is maintained at the first position and a second position whereat the swing arm is not maintained at the first position, an actuating device configured to transfer a force to the swing arm when the swing arm is maintained at the first position, and a control system configured to control the actuating device to transfer a force to the swing arm when the swing arm is maintained at the first position sufficient to move the latch from the first position to the second position. | 03-03-2011 |
20110048195 | TABLE SAW WITH RATCHET MECHANISM - A table saw in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a first ratchet member operatively connected to the swing arm assembly, and a second ratchet member movable between a first ratchet position whereat rotation of the first ratchet member in a first and a second direction is allowed, and a second ratchet position whereat the second ratchet member is engaged with the first ratchet member such that rotation in only the first direction is allowed. | 03-03-2011 |
20110048194 | TABLE SAW WITH RESET MECHANISM - A power tool in one embodiment includes a swing arm movable along a swing arm path between an upper first swing arm position and a lower second swing arm position, a latch hold mechanism movable between a first latch hold position adjacent to the swing path and a second latch hold position whereat at least a portion of the latch hold mechanism is within the swing path, an actuator configured to force the swing arm assembly away from the first swing arm position and toward the second swing arm position, a swing arm reset configured to pivot the swing arm from the second swing arm position to the first swing arm position, a latch hold reset configured to pivot the latch hold mechanism from the second latch hold position to the first latch hold position, and a control system configured to control the actuator. | 03-03-2011 |
20110048193 | TABLE SAW WITH PRESSURE OPERATED ACTUATOR - A power tool includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a latch pin movable between a first position whereat the latch pin is engaged with the swing arm assembly and a second position whereat the latch is not engaged with the swing arm assembly, a pressure operated actuator configured to force the latch pin from the first position to the second position and to force the swing arm assembly away from the first swing arm position and toward the second swing arm position, and a control system configured to actuate the actuator. | 03-03-2011 |
20110048192 | TABLE SAW WITH MECHANICAL FUSE - A power tool in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a mechanical fuse positioned to maintain the swing arm assembly in the first swing arm position, an actuator configured to apply a force to the mechanical fuse sufficient to break the mechanical fuse and to force the swing arm assembly away from the first swing arm position and toward the second swing arm position, and a control system configured to actuate the actuator in response to a sensed condition. | 03-03-2011 |
20110048191 | TABLE SAW WITH SWING ARM SUPPORT - A power tool in one embodiment includes a table saw with a latch hold mechanism, a swing arm pivotable about a pivot along a swing arm path, a latch movable between a first latch position whereat the swing arm is maintained at a first swing arm position and a second latch position whereat the swing arm is not maintained at the first swing arm position, an actuating device configured to transfer a force to the swing arm, at least one swing arm guide extending adjacent to the swing arm path, at least one swing arm support positioned to be in opposition to the at least one swing arm guide along the swing arm path, and a control system configured to control the actuating device to transfer a force to the swing arm sufficient to move the latch from the first latch position to the second latch position. | 03-03-2011 |
20110048190 | TABLE SAW WITH BELT STOP - A table saw in one embodiment includes a work-piece support surface, a shaping device support shaft automatically retractable along a retraction path to a location beneath the work-piece support surface in response to a sensed condition, a belt positioned across the retraction path, and a control system configured to cause shaping device support shaft to retract along the retraction path in response to a sensed condition. | 03-03-2011 |
20110048189 | TABLE SAW WITH POSITIVE LOCKING MECHANISM - A power tool in one embodiment includes a work-piece support surface, a swing arm assembly movable along a swing path between a first swing arm position whereat a portion of a shaping device supported by the swing arm assembly extends above the work-piece support surface and a second swing arm position whereat the portion of the shaping device does not extend above the work-piece support surface, a latch pin pivotable between a first position engaged with the swing arm assembly and a second position whereat the latch is not engaged with the swing arm assembly, an actuator configured to pivot the latch pin from the first position to the second position and to force the swing arm assembly away from the first swing arm position and toward the second swing arm position, and a control system configured to actuate the actuator in response to a sensed condition. | 03-03-2011 |
20110048188 | TABLE SAW WITH ACTUATOR MODULE - A power tool in one embodiment includes a swing arm assembly movable along a swing path between a first swing arm position and a second swing arm position, a latch pin pivotable between a first position and a second position, an actuator module configured to receive a plurality of actuators, a first actuating module position within the actuator module configured to align a first of the plurality of actuators with a strike plate on the swing arm assembly, a loader configured to bias a second of the plurality of actuators from a second actuating module position within the actuator module toward the first actuating module position, and a control system configured to actuate each of the plurality of actuators positioned in the first actuating module position to force the swing arm assembly away from the first swing arm position and toward the second swing arm position. | 03-03-2011 |
20110043153 | ELECTRONIC ORBIT CONTROL FOR SAWS - A power saw having a reciprocating blade, including a housing having a handle portion for holding the saw; a variable speed motor in the housing for driving the reciprocating blade; a mechanism configured to move the reciprocating blade in a non-linear path; an electronic controller for controlling the operation of the motor; a trigger switch configured to provide an electrical signal to the controller that is proportional to the amount of travel that the switch is moved, wherein the signal causes the controller to operate the motor through a range of operating speeds; and a mode switch operatively connected to the controller and including a first mode providing normal operating speeds responsive to the trigger switch being selectively moved through its range of travel, and a second mode wherein the operating speeds are within the range of about 50% to about 80% of the normal operating speeds. | 02-24-2011 |
20110017041 | POWER TABLE SAW WITH EXTENSION TABLE - Embodiments are disclosed for a power table saw assembly that comprises a frame configured to retain a motor assembly for driving a rotatable blade, a table top assembly having a top surface with an opening through which a rotating blade can extend provided on the frame, and a base for supporting the frame thereon. A foldable extension table is pivotally connected to an axle fixedly provided in the base, for supporting a workpiece. The extension table is configured to be folded and pivoted about the axle to be stored within the base when the extension table is not in use. In one embodiment, the axle is provided in the rear of the base and generally perpendicular to the blade, so that the extension table can support a workpiece from the table top downstream of the blade. In another embodiment, the axle is provides on one side of the base and generally parallel to the blade, so that the extension table can support a workpiece that extends beyond the table top to one side of the blade. | 01-27-2011 |
20110011231 | PORTABLE TABLE SAW HAVING A DURABLE SUB-FRAME - Embodiments are disclosed for a table saw including a table top having a generally rectangular top surface with front, rear and opposing side surfaces and having a slot through which a saw blade can extend, a tubular sub-frame for supporting the table saw, the sub-frame having an outer periphery generally coextensive with the outer periphery of the table top, front and rear vertical metal panels having upper and lower transverse mounting portions interconnecting the sub-frame and the table top and left and right vertical side panels made of a composite material mounted on the sub-frame and extending generally between the front and rear metal panels. | 01-20-2011 |
20110011229 | Miter Saw with Improved Dust Collection System - An improved dust collection system for a miter saw comprising a hollow dust chute attached to a bevel post of a miter saw. The bevel post includes a top portion and a bottom portion and is pivotably attached to a miter saw table. The dust chute comprises an input port positioned to receive saw dust resulting from a cutting operation, an exit port and a funnel body extending from the input port to the exit port. At least a portion of the funnel body extends toward an opening located in a guard of a cutting arm assembly. The cutting arm assembly is pivotably connected to the top portion of the bevel post; wherein, the dust chute remains substantially stationary, as the cutting arm assembly is moved during the cutting operation. | 01-20-2011 |
20100327037 | FASTENER DRIVING TOOL WITH PROTECTION INSERTS - A fastener driving tool includes a housing, a nose assembly having a fastener passage configured to allow fasteners to be advanced therethrough, and a safety contact assembly movable in relation to the nose assembly between a disable position and an enable position. A magazine assembly is configured to supply fasteners toward the nose assembly, and a driver is configured to cause a fastener located in the fastener passage to be advanced within the nose assembly. The nose assembly includes (i) a base member defining at least a portion of the fastener passage and has a first recess and a second recess which are spaced apart from each other, (ii) a first protection insert located in the first recess, and (iii) a second protection insert located in the second recess. The base member defines a leading side surface and a trailing side surface. The leading side surface defines an ejection orifice that is aligned with the fastener passage. The leading side surface defines a first opening aligned with the first recess and a second opening aligned with the second recess, and the trailing side surface defines a third opening aligned with the first recess and a fourth opening aligned with the second recess. The first protection insert extends through the first opening and the third opening, and the second protection insert extends through the second opening and the fourth opening. | 12-30-2010 |
20100316457 | DETACHABLE OPERATING HANDLE FOR A POWER TOOL - A detachable operating handle for an elongated handheld portable power tool with a nose portion having an output shaft and a slidable operating switch having an outer recess and being configured to slide between on and off positions, the handle comprising a housing configured to cooperatively mate with the power tool housing and be attached at least to the nose portion of the power tool, the housing having an elongated handle portion, a trigger located in the bottom of the handle portion positioned to be moved between depressed and rest positions by a user's finger while holding the handle portion, a linkage mechanism for interconnecting the trigger and the switch, and the linkage mechanism having a lockout mechanism for preventing the trigger from moving the switch when the lockout mechanism is in a locked position and permitting the trigger to move the switch when in a release position. | 12-16-2010 |
20100275755 | POWER MITER SAW HAVING REMOVABLE LOWER GUARD OPERATING MECHANISM - Embodiments of a power miter saw of the type which has an upper fixed blade guard for encasing upper reaches of an installed saw blade without encasing the blade arbor, and a lower swinging blade guard for covering the lower reaches of an installed blade when saw is in its rest position and for exposing the saw blade when moved to its operational position, the saw comprising an elongated linkage mechanism having opposite end portions interconnecting a frame support and the lower blade guard for moving the lower blade guard in response to movement of the saw between the rest and operational positions, such that the lower blade guard covers the lower reaches of the blade when the saw is in its rest position and uncovers the lower reaches of the blade when the saw is moved to its operational position, the linkage mechanism being configured to be selectively detachable from the frame support, thereby enabling the lower blade guard to be placed in at least first and second positions wherein the first position enables normal movement of the saw between its rest and operational positions, and the second position wherein the lower blade guard is raised to expose a blade arbor to facilitate changing of the blade. | 11-04-2010 |
20100269662 | MITER SAW WITH BEVEL STOP TOGGLE - A miter saw comprises a base and a bevel support pivotable with respect to the base. A cutting blade is supported by the bevel support and moveable between a plurality of cutting positions. The miter saw further comprises a bevel stop member moveably connected to the base between a plurality of stop positions. The plurality of stop positions include a first stop position where the bevel stop member is configured to stop the bevel support at a bevel angle of less than forty-five degrees. The plurality of stop positions also include a second stop position where the bevel stop member is configured to stop the bevel support at a bevel angle of about forty-five degrees. Furthermore, the plurality of stop positions include a third stop position where the bevel stop member is configured to allow the bevel support to pivot to a bevel angle of greater than forty-five degrees. | 10-28-2010 |
20100269661 | MITER SAW WITH WORK SURFACE EXTENSIONS - A miter saw with work surface extensions comprises a base with a rotatable table positioned on the base. The miter saw further comprises a bevel support is that is pivotable with respect to a table surface. A cutting blade is supported by the bevel support. A work surface extension is moveably connected to the base between a retracted position and an extended position. The work surface extension provides a work surface that is substantially planar with the table surface. At least one elongated member is fixed to the work surface extension and moveably engages the base. A substantial portion of the at least one elongated member is positioned within or under the base when the work surface extension is in the retracted position. The substantial portion of the at least one elongated member is positioned between the base and the work surface extension when the at least one elongated member is in the extended position. | 10-28-2010 |
20100269659 | MITER SAW WITH BEVEL LOCK ARRANGEMENT - A miter saw with a bevel lock arrangement comprises a base with a bevel arm configured to rotate about a first axis that is substantially parallel to a support surface provided on the base. A cutting arm is pivotably connected to the bevel arm and configured to rotate about a second axis that is substantially perpendicular to the first axis. A locking surface is connected to the base and is oriented substantially perpendicular to the support surface. A clamping surface is moveably connected to the bevel arm and configured to engage the locking surface. An actuator is configured to move between a locked position and an unlocked position. The actuator is configured to force the clamping surface against the locking surface when the actuator is in the locked position and to release the clamping surface from the locking surface when the actuator is in the unlocked position. | 10-28-2010 |
20100269657 | UNIVERSAL FENCE FOR A POWER TABLE SAW - Embodiments of the present invention comprise a fence for a power saw having a table top with generally vertical front, rear and opposite side surfaces, at least one side surface having an elongated side element extending from a front portion toward said rear surface, said side element having a cross section defining a vertical groove with an inner vertical surface that merge into upper and lower opposed extensions that define upper and lower undercuts, said fence comprising an elongated fence member having a generally vertical front planar surface for engaging a work piece, a table extension having a top surface area coextensive with said saw table top and operatively connected to said fence member, said extension providing support for a work piece that extends beyond a side of the table top surface, said fence being configured so that the front planar surface can be positioned in front of the vertical front surface of the saw, i.e., off of the top surface. | 10-28-2010 |
20100269656 | TABLE SAW WITH SYMMETRICAL RAIL FENCE STORAGE CAPABILITY - Embodiments are disclosed for a power table saw that comprises a base, a table top with a opening through which a rotating blade can extend, the table top assembly extending outwardly beyond the base assembly on at least one side thereof, front and rear rails extending across the width of the table top, a fence having a clamping handle configured to be selectively moved between clamping and releasing positions, thereby enabling the fence to be adjustably mounted to the front and rear rails for selectively positioning the same at different operating locations relative to the blade, the fence being removable from the front and rear rails when the clamping handle is released, the front and rear rails being configured to retain the fence in the operating locations and to also clamp the fence in a stored location wherein the fence is underneath the table top surface. | 10-28-2010 |
20100269655 | MITER SAW WITH CUTTING ALIGNMENT DEVICE ON A DUST CHUTE - A miter saw with a cutting alignment device includes a base with a work surface provided thereon. A bevel support is pivotable with respect to the base and a cutting blade is supported by the bevel support. A dust chute is adjustably secured to the bevel support and pivots with respect to the base when the bevel support pivots. The dust chute includes mounts that allow lateral adjustment of the dust chute with respect to the bevel support. A laser alignment device is positioned on the dust chute and configured to emit a beam of light toward the work surface. The dust chute includes a receptacle designed and dimensioned to releasably hold the laser alignment device. Because the laser alignment device is retained on the dust chute, adjustment of the dust chute also results in adjustment of a beam of light emitted from the laser alignment device. | 10-28-2010 |
20100242700 | POWER MITER SAW HAVING ADJUSTABLE LOWER GUARD OPERATING MECHANISM - Embodiments of a power miter saw of the type which has an upper fixed blade guard and a lower swinging blade guard for covering the lower reach of an installed blade when the saw is in its rest position and for exposing the lower reach of the saw blade when moved to its operational position, the saw comprising an elongated linkage mechanism interconnecting a frame support and the lower blade guard for moving the lower blade guard in response to movement of the saw between the rest and operational positions, such that the lower blade guard covers the lower reach of the blade when the saw is in its rest position and uncovers the blade when the saw is moved to its operational position, the linkage mechanism being configured to have an adjustable length and be placed in at least first and second positions wherein the first position enables normal movement of the saw between its rest and operational positions, and the second position wherein the lower blade guard is raised to expose a blade arbor to facilitate changing of the blade. | 09-30-2010 |
20100237970 | MAGNETIC LOCKING SYSTEM - Preferred embodiments of the present magnetic locking system can be used for releasably locking a first component to a second component. In one embodiment, the locking system includes a ferro-magnetic member associated with the first component, where the ferro-magnetic member is made of a ferro-magnetic material, and a housing attached to the second component and positioned adjacent to the ferro-magnetic member. Preferably, the housing includes first and second blocks that sandwich an intermediate block. Further, the first and second blocks are each preferably made of a ferro-magnetic material and the intermediate block is made of a non-ferro-magnetic material. Additionally, there is also an aperture formed within the housing, with a permanent magnet rotatably seated within the aperture. The magnetic locking system preferably includes a switch mechanism that is operatively connected to one of the permanent magnet and the housing, wherein the switch mechanism is configured and arranged to rotate the housing and the permanent magnet relative to each other between an “on” position and an “off” position. | 09-23-2010 |
20100213234 | NAILER STRIKE PLATE - A device for impacting a fastener in one embodiment includes a housing with an upper housing portion, a middle housing portion, and a side housing portion extending between the upper housing portion and the middle housing portion, a drive cylinder configured to vent within the housing, an air passage extending through the housing and including a mouth at the upper housing portion, and a strike plate extending over the upper housing portion and including a top portion positioned apart from the upper housing portion, and a first side extension extending downwardly from the top portion along the side housing portion to a location above and spaced apart from an outwardly extending first surface of the middle housing portion. | 08-26-2010 |
20100213232 | NAILER WITH BRUSHLESS DC MOTOR - A device for impacting a fastener in one embodiment includes a drive mechanism configured to impact a fastener, a lever arm pivotable between a first position and a second position, and a motor including a plurality of permanent magnets mounted on a rotatable housing, the motor mounted on the lever arm such that when the lever arm is in the first position, the rotatable motor housing is isolated from the drive mechanism and when the lever arm is in the second position, the rotatable motor housing is positioned to transfer rotational energy to the drive mechanism. | 08-26-2010 |
20100206433 | Modular Router With Secondary Release Lever - A routing machine comprises a base unit and a motor unit, which is releasably connected to the base unit. The motor unit defines a motor axis is configured for insertion into the base unit substantially in the direction of the motor axis. A depth adjustment latch is provided on the base unit. A release latch is provided on the base unit. The release latch is moveable between a first position and a second position. The release latch is configured to provide a positive stop for the motor unit when the release latch is in the first position, such that the motor unit is blocked from release from the base unit while allowing the motor unit to move along the motor axis. The motor unit is free to release from the base unit when the release latch is in the second position. | 08-19-2010 |
20100206432 | Plunge Router Bearing - A routing machine comprises a first plunge post, a second plunge post, and an electric motor moveable on the routing machine relative to the first plunge post and the second plunge post. A first sleeve bearing is slideably positioned on the first plunge post with a first clearance defined between the first sleeve bearing and the first plunge post. The first sleeve bearing is configured to slide along the first plunge post when the electric motor moves relative to the first plunge post. A second sleeve bearing is slideably positioned on the second plunge post with a second clearance defined between the second sleeve bearing and the second plunge post. The second sleeve bearing is configured to slide along the second plunge post when the electric motor moves relative to the second plunge post. At least one flexible member extends from the second sleeve bearing toward the second plunge post. | 08-19-2010 |
20100206431 | Router Depth Adjustment Mechanism - A routing machine comprises a plunge post, an electric motor, and a motor housing slideably connected to the plunge post. The motor housing defines an upper surface. A lockpiece selectively engages the plunge post between a locked position and an unlocked position. The lockpiece is allowed to slide relative to the plunge post along with the electric motor and motor housing when the lockpiece is in an unlocked position. The lockpiece is configured to lock in place relative to the plunge post and limit the extent to which the electric motor and motor housing may slide relative to the plunge post when the lockpiece is in the locked position. A fine adjustment mechanism is moveably connected to the lockpiece. The fine adjustment mechanism is configured to move the electric motor and motor housing relative to the plunge post when the lockpiece is in the locked position. | 08-19-2010 |
20100206430 | Modular Router With Base Power Switch - A routing machine comprises a base unit and a motor unit releasably connected to the base unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor, motor control circuitry configured to energize or de-energize the electric motor, and a second electrical connector connected to the motor control circuitry. The second electrical connector is configured to engage the first electrical connector when the motor unit is properly seated on the base unit. An electric switch is positioned on the base unit. The motor control circuitry is configured to deliver electric power to the electric motor when the switch is in an on position. The motor control circuitry is configured to not provide electric power to the electric motor when the switch is in an off position. | 08-19-2010 |
20100206429 | Modular Router With Base Sensor - A power tool comprises a base unit and a motor unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor and a second electrical connector. The motor unit is configured to be releasably connected to the base unit. An electrical connection is established between the first electrical connector and the second electrical connector when the motor unit is properly connected to the base unit. A sensor is configured to determine whether the motor unit is properly connected to the base unit. | 08-19-2010 |
20100155097 | CELLULAR FOAM BUMPER FOR NAILER - A device for impacting a fastener in one embodiment includes a drive channel, a cylinder opening at an end portion to the drive channel, a microcellular polyurethane elastomer (MPE) bumper fixedly positioned at the end portion of the cylinder, the MPE bumper including a drive bore extending therethrough and aligned with the drive channel, and an outer wall defining a plurality of grooves extending radially about the MPE bumper, and a drive mechanism including a drive blade aligned with the drive bore. | 06-24-2010 |
20100139809 | TOOL SUPPORT STRUCTURE WITH ADJUSTABLE END ASSEMBLY - A tool support structure with an adjustable work support assembly comprises a base and a horizontal support provided on the top of the base. A work support assembly is provided on the horizontal support and is linearly slideable in a vertical direction in relation to the horizontal support. The work support assembly includes a first component and a second component. The first component is configured to be fixed in one of a plurality of first vertical positions with respect to the horizontal support. The second component is also provided on the horizontal support and is linearly slideable in a vertical direction in relation to the first component. The second component is configured to be fixed in one of a plurality of second vertical positions with respect to the first component. | 06-10-2010 |
20100126028 | DRIVE MECHANISM FOR A RECIPROCATING TOOL - Embodiments are disclosed of a drive apparatus for a reciprocating tool, that comprises a housing, a rotatable drive shaft assembly located in the housing, an elongated plunger located in the housing for reciprocating motion, the plunger having a front end portion for attaching a cutting blade thereto, a rotary joint elongated rocker having a lower end portion with a lower pivot connection to the housing and an upper end with an upper pivot connection to a mid portion of the plunger, a wobble plate interface operatively connected to the drive shaft assembly, a lower portion having an effective lower pivot connection, the interface also having an upper pivot connection to a rear portion of the plunger and configured to reciprocate the plunger generally in its lengthwise direction during alternating cutting and return strokes, the distances between the upper and lower pivot connections of both the rocker and wobble plate interface together with the distance between the upper pivot connections thereof to the plunger defining a four bar mechanism that produces a path of movement of an attached cutting blade that is effective to apply a progressive non-linear cutting force to a work piece during the cutting stroke. | 05-27-2010 |
20100126027 | IMPACT ABSORPTION DRIVE MECHANISM FOR A RECIPROCATING TOOL - Embodiments are disclosed for a reciprocating saw that comprises a housing, a drive mechanism in the housing, a motor in the housing for driving the drive mechanism, an elongated plunger located in the housing for reciprocating motion and having a front end portion for attaching a saw blade for cutting material, the saw having an energy absorbing compliant configuration at least partially isolating a portion of the plunger and the drive mechanism from high energy impulses that can be produced by the saw blade being bound in the material being sawed during operation of the saw. | 05-27-2010 |
20100122615 | TABLE SAW FENCE - A table saw fence includes a clamping member at both the front and rear of the fence to provide substantial clamping power and accuracy. The fence includes an interior cavity housing a linkage mechanism that engages the front and rear clamps through the actuation of a single handle. Furthermore, the fence includes an opening leading to the interior cavity, thereby permitting the blade, riving knife, blade guard, and any other blade accessories to extend within the interior cavity when the fence is used in a blade cover configuration. | 05-20-2010 |
20100119384 | Portable Air Compressor Assembly and Associated Method - An air compressor assembly includes a base assembly including a first air cylinder and a second air cylinder each to store compressed air therein. The assembly further includes a first rearward handle and a second rearward handle each being attached to a rearward end portion of the base assembly. The assembly also includes a wheel attached to a forward end portion of the base assembly. In addition, the assembly includes a forward handle attached to the forward end portion of the base assembly. The assembly further includes an engine supported by the base assembly. Also, the assembly includes a pump powered by the engine and configured to generate compressed air which is advanced into the at least one air container. | 05-13-2010 |
20100116111 | LAMINATE FLOORING SAW - A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a fence, a base including a first locking member configured to cooperate with the fence to lock the fence along a first fence axis, a second locking member configured to cooperate with the fence to lock the fence along a second fence axis, the second fence axis perpendicular to the first fence axis, and a support arm system positioned above the base for supporting a power tool. | 05-13-2010 |
20100107840 | LAMINATE FLOORING SAW - A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a base, a support arm extending above the base, a saw movable along the support arm, and a first power switch, a second power switch, and a third power switch, the first power switch and the second power switch configured such that in a first switch configuration, the saw is energized independent of the position of the third power switch and configured such that in a second switch configuration the saw is energized dependent on the position of the third power switch. | 05-06-2010 |
20100101101 | PROGRESSIVE FORCE CUT PATH DRIVE MECHANISM FOR A RECIPROCATING TOOL - Embodiments are disclosed of a drive apparatus for a reciprocating tool, that comprises a housing, a rotatable drive shaft assembly located in the housing, an elongated plunger located in the housing for reciprocating motion, the plunger having a front end portion for attaching a cutting blade thereto, a rotary joint elongated rocker having a lower end portion with a lower pivot connection to the housing and an upper end with an upper pivot connection to a mid portion of the plunger, a wobble plate interface operatively connected to the drive shaft assembly, a lower portion having an effective lower pivot connection, the interface also having an upper pivot connection to a rear portion of the plunger and configured to reciprocate the plunger generally in its lengthwise direction during alternating cutting and return strokes, the distances between the upper and lower pivot connections of both the rocker and wobble plate interface together with the distance between the upper pivot connections thereof to the plunger defining a four bar mechanism that produces a path of movement of an attached cutting blade that is effective to apply a progressive non-linear cutting force to a workpiece during the cutting stroke. | 04-29-2010 |
20100072247 | Nail Gun With Integrated Safety Device - A device for impacting a fastener in one embodiment includes a trigger, a trigger disabling mechanism changeable between a first condition wherein operation of the trigger is not disabled and a second condition wherein operation of the trigger is disabled, and a nose piece configured to change the trigger disabling mechanism from the second condition to the first condition, the nose piece including a first nose portion removably coupled to a second nose portion, the first nose portion and the second nose portion defining a channel therebetween through which a fastener is driven. | 03-25-2010 |
20100064873 | Cut Guide for a Workbench System - A workbench system in one embodiment includes a first and a second plurality of dog holes in a planar work surface defining a first and a second axis extending in the work surface plane, and a plurality of cutting guides, each of the plurality of cutting guides including a body defining a first securing portion on a first side of the body and a second securing portion on a second side of the body opposite to the first side, a first stem extending downwardly away from the body and configured to fit into one of the first plurality of holes, and a guide member defining a guide plane which intersects the first axis and the second axis. | 03-18-2010 |
20100050446 | Laminate flooring saw - A laminate flooring saw system which can be used for both rip cuts and miter cuts in one embodiment includes a fence, a base including a first locking member configured to cooperate with the fence to lock the fence along a first fence axis, a second locking member configured to cooperate with the fence to lock the fence along a second fence axis, the second fence axis perpendicular to the first fence axis and a support arm positioned above the base for supporting a power tool. | 03-04-2010 |
20100038397 | Cordless Nailer With Safety Mechanism - A device for impacting a fastener in one embodiment includes a drive mechanism, a flywheel pivotable between a first flywheel position whereat the flywheel is not in contact with the drive mechanism and a second flywheel position whereat the flywheel contacts the drive mechanism, a motor operably connected to the flywheel, a trigger movable between a first trigger position and a second trigger position, and a WCE assembly movable between a first WCE position and a second WCE position, the WCE assembly configured such that (i) when the trigger is in the first trigger position and the WCE assembly is in the first WCE position, the WCE assembly mechanically engages the trigger to preclude movement of the trigger out of the first position, and (ii) when the WCE assembly is in the second WCE assembly position, the WCE assembly does not mechanically engage the trigger. | 02-18-2010 |
20100038396 | Cordless Nail Gun - A device for impacting a fastener in one embodiment includes a frame, a motor mounted to the frame and including a drive shaft defining a drive shaft axis, a lever arm including a pivot axis parallel with the drive shaft axis, a flywheel rotatably mounted on the lever arm and operably connected to the motor for storing energy received from the motor, a drive mechanism for impacting a fastener, and a solenoid configured to pivot the lever arm between a first position wherein the flywheel is spaced apart from the drive mechanism and a second position wherein the flywheel can contact the drive mechanism. | 02-18-2010 |
20100038395 | Cordless Nailer With Safety Sensor - A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat the flywheel can contact the drive mechanism, a motor operably connected to the flywheel for storing energy in the flywheel, a trigger sensor assembly for generating a trigger signal indicative of the position of a trigger, a work contact element (WCE) sensor for generating a WCE signal indicative of the position of a WCE, a memory including program instructions, and a processor operably connected to the memory for executing the program instructions to (i) energize the motor based upon the WCE signal, and (ii) pivot the lever arm based upon the trigger signal. | 02-18-2010 |
20100038394 | Cordless Nailer Drive Mechanism Sensor - A device for impacting a fastener in one embodiment includes a lever arm pivotable between a first position whereat a flywheel is spaced apart from a drive mechanism and a second position whereat the flywheel can contact the drive mechanism, a lever arm solenoid for pivoting the lever arm between the first position and the second position, a drive mechanism sensor for generating a position signal indicative of the position of the drive mechanism, a timer for generating a timing signal, a memory including program instructions, and a processor operably connected to the memory for executing the program instructions to (i) energize the solenoid to pivot the lever arm to the second position, (ii) de-energize the solenoid based upon the position signal, and (iii) de-energize the solenoid based upon the timing signal. | 02-18-2010 |
20100037737 | COMBINATION DRIVING TOOL FOR PHILLIPS AND ROBERTSON FASTENERS - Embodiments of a driving tool are disclosed that comprise a shank portion, and a working portion, wherein the working portion is configured to drive either a Phillips head fastener or a Robertson head fastener. | 02-18-2010 |
20090293291 | CORDLESS CIRCULAR SAW - A circular saw including a motor housing having a first end portion and a second end portion, a motor assembly disposed within the housing, a rotary blade assembly having a predetermined weight mounted to the first end portion of the motor housing, and a battery pack having a predetermined weight disposed on the second end portion of the motor housing. The battery pack and the rotary blade assembly are configured and arranged to be in longitudinal alignment with one another, and the longitudinal alignment of the battery pack with the rotary blade assembly promotes counterbalancing between the predetermined weight of the rotary blade assembly and the predetermined weight of the motor housing. | 12-03-2009 |
20090290745 | BATTERY CHARGING JOBSITE AUDIO APPARATUS - Embodiments of the present invention comprise a battery charging jobsite audio unit that is particularly useful at construction and other jobsites are disclosed which provides important desirable features and functionality comprise a housing, at least one charger for charging a removable battery pack, an audio unit that includes a speaker system for providing substantially 360° sound, as well as subwoofer, a cord and plug for connecting the unit to a source of AC power, and circuitry for selectively applying power to the audio unit and the charger. The preferred and alternative embodiments also preferably have a unique protective frame structure that is connected to the housing of the unit. | 11-26-2009 |
20090289429 | COLLAPSIBLE ROLLING SUPPORT STAND HAVING A SUPPORT LEG - A preferred embodiment of the present invention comprises a collapsible folding stand for use with a horizontally oriented object such as a portable table saw that is attached to the stand wherein the stand has a front and a rear portion and is capable of being manipulated between open and closed positions. In the open position, the top frame is horizontally oriented. In the closed position, the stand is generally vertically oriented as is the top frame. To move the rolling stand from its open position to its closed position, the user needs only to lift the handle and the top frame will then move to its generally vertical closed position where the latching mechanism can then be engaged. Because of the mechanism advantage of the folding mechanism, moving between the open and closed positions in either direction requires very little effort by the user. | 11-26-2009 |
20090273130 | TILE HOLDING FIXTURE ASSEMBLY - Embodiments of the present invention are directed to a fixture assembly that is capable of holding work pieces such tiles of various sizes in various positions in a manner which enables freehand cutting. Various embodiments include a main fixture having a working top surface area that includes strategically placed cylindrical openings that are configured to receive easily manipulated tile holding clamps, various dogs that can be removably secured to the fixture in order to place tiles in a desirable position to be held during a cutting operations. The fixture is light weight and is easily transportable to a jobsite and has the capability of storing the clamps, dogs, marking instruments and the like. | 11-05-2009 |
20090239455 | Contour sanding pad - The present invention is an abrading system for a hand power tool including a base with a first end portion and a second end portion and configured to couple with the output shaft of a hand power tool, a flexible substrate having a first extending portion coupled with the first end portion and extending outwardly from the first end portion, a second extending portion coupled with the second end portion and extending outwardly from the second end portion, and a middle portion spaced apart from the base and extending between the first extending portion and the second extending portion, and an abrading material attached to the flexible substrate. | 09-24-2009 |
20090210185 | System and method for measuring DC offset in a sensor output by modulating a signal-independent operating parameter of the sensor - A sensor circuit enables detection of DC offset in a sensor output signal. The sensor circuit includes a sensor that generates a sensor output signal corresponding to a physical signal coupled to an input of the sensor, and a modulator that generates a modulation signal, the modulator being coupled to the sensor to modulate a physical parameter of the sensor and to enable a DC offset to be separated from the sensor output signal. To enable the circuit to measure the DC offset even though the sensor output signal is inversely proportional to the output signal, the circuit includes a feedback circuit configured to generate a feedback signal. The feedback signal is coupled to the input of the sensor to enable the physical parameter of the sensor to be modulated without modulating a portion of the sensor output signal attributable to the physical signal being converted to an electrical signal by the sensor. | 08-20-2009 |
20090196700 | Rotary tool system with centering member - A rotary tool includes a collet which in one embodiment includes a bit holder defining a shank receiving bore, a transfer member for transferring rotational force from the bit holder to the shank of an accessory, and a centering member positioned within the bit holder and configured to automatically grip the shank when the shank is positioned within the shank receiving bore. | 08-06-2009 |
20090193668 | Support foot locking arrangement for a reciprocating tool - A support arrangement for a reciprocating tool comprises a first locking surface adjacent to an adjustable foot guide. The foot guide includes a second locking surface designed to mesh with the first locking surface in a locking engagement. The support arrangement further comprises a lock actuator including a first cam profile. The lock actuator is provided adjacent to a cam plate which includes a second cam profile. The second cam profile is configured to interact with the first cam profile and force the first locking surface toward the second locking surface of the foot guide. The lock actuator is moveable between an unlocked position and a locked position, wherein a first raised surface of the first cam profile does not engage a second raised surface of the second cam profile in the unlocked position, while the first cam surface does engage the second raised surface in the locked position. | 08-06-2009 |
20090193667 | Reciprocating tool foot locking arrangement - A support arrangement for a reciprocating tool comprises a first locking surface configured to engage a second locking surface in a locking engagement. The first locking surface is secured to the reciprocating tool. The second locking surface is provided on a support foot assembly. A shaft extends between the first locking surface and the second locking surface. The shaft defines a shaft axis that is oriented substantially orthogonal to the tool axis. An adjustment mechanism is positioned on the shaft. The adjustment mechanism is configured to move upon the shaft and clamp the first locking surface and the second locking surface together. In at least one embodiment, a ratchet arrangement is provided in the adjustment mechanism. The ratchet arrangement limits the extent that the adjustment mechanism may be tightened to clamp the first locking surface to the second locking surface. | 08-06-2009 |
20090188119 | LINKAGE DRIVE MECHANISM FOR A RECIPROCATING TOOL - Preferred embodiments of a reciprocating drive apparatus are disclosed that comprise a housing, a rotatable drive shaft assembly located in the housing an elongated plunger located in the housing for reciprocating motion, the plunger having a front end portion for attaching a tool thereto, a rotary joint rocker mechanism supported in the housing and operatively connected to the plunger and the drive shaft assembly so that rotation of the drive shaft assembly produces reciprocating motion of the plunger. Another preferred embodiment includes a reciprocating counterweight. | 07-30-2009 |
20090183887 | Power hand tool system with universal flexible shaft and method of operating - The invention provides a rotary tool system and method of operating. In one embodiment, a rotary tool system includes a rotary tool with a rotary motor, an output shaft operatively connected to the motor for transferring rotational force from the motor and a first coupler assembly, a flexible power transmission shaft including a first end portion with a second coupler assembly configured to removably couple with the first coupler assembly, a transfer shaft operatively coupled with the output shaft for receiving rotational force from the output shaft, and a third coupler assembly located at a second end portion of the flexible power transmission shaft and at least one implement, the at least one implement including a fourth coupler assembly configured to removably couple with the second coupler assembly and an input shaft operably connected to the transfer shaft for receiving rotational force from the transfer shaft. | 07-23-2009 |
20090160148 | Hand Truck Assembly - A hand truck assembly includes a frame including an upper portion and a lower portion. The assembly further includes a handle attached to the upper portion of the frame. The assembly also includes a pair of wheels attached to the lower portion of the frame. In addition, the assembly includes a fixed work support member attached in fixed relation to the lower portion of the frame. The assembly further includes a movable work support member attached to the lower portion of the frame, the movable work support member being moveable between (i) a first position in which a free end portion of the movable work support member rests on the fixed work support member, and (ii) a second position in which the free end portion of the movable work support member is spaced apart from the fixed work support member. The assembly also includes a post attached in fixed relation to the free end portion of the movable work support member. The assembly additionally includes a power tool such as a hammer jack that defines a cavity. When the movable work support member is positioned in the first position, (i) the post is located within the cavity of the power tool , and (ii) the power tool is supported on the movable work support member. | 06-25-2009 |
20090155007 | Abrasive coated bit - A rotary tool accessory and method for shaping hard, brittle material is disclosed. In one embodiment a rotary tool accessory for cutting hard, brittle material, includes a shaft for coupling with a rotary tool, a work portion extending outwardly from the longitudinal axis of the shaft, the work portion including a cylindrical portion and a spherical portion, a nickel based bonding material affixed to the work portion, and a plurality of abrasive particles extending outwardly of the bonding material. | 06-18-2009 |
20090148139 | Method of Operating Drill with Solid State Speed Control - A method of operating a hand power tool in one embodiment includes generating a variable speed control signal with a solid state switch that corresponds to a selected speed for a motor, generating a pulse width modulated (PWM) signal corresponding to the variable speed control signal, generating H-bridge driving signals for an H-bridge circuit in correspondence with the PWM signal, and selectively coupling a motor to a power source using the H-bridge circuit in accordance with the H-bridge driving signals. | 06-11-2009 |
20090120822 | Accessory Holder - An accessory holder includes a first clamshell portion, a second clamshell portion, a living hinge joining the first and second clamshell for moving the first clamshell portion between a first position adjacent to the second clamshell portion wherein the first clamshell portion and the second clamshell portion define a first compartment for holding an accessory and a second position wherein the first clamshell portion is spaced apart from the second clamshell, a latch assembly having a first latch portion located on the first clamshell portion and a second latch portion located on the second clamshell portion for latching the first clamshell portion with the second clamshell portion when the first clamshell portion is in the first position and a cover for holding the first clamshell portion in the first position. | 05-14-2009 |
20090116919 | Auger bit including a reamer - Embodiments of the invention comprise an auger bit for use with a power drill including an elongated member including a first end and an opposing second end, a helical surface having a central axis, where the helical surface defines at least one flute, a head portion integrally formed with the first end of the elongated member and including a primary cutting edge adapted to engage and remove material from a workpiece and a secondary cutting edge adapted to engage and remove additional material from the workpiece, a threaded tip integrally formed with the head portion and a shank integrally formed with the second end of the elongated member and adapted to engage the drill. | 05-07-2009 |
20090116918 | Spade Bit having Reamer Feature - A spade bit includes a shaft defining an axis about which the spade bit is configured to be rotated. The space bit also includes a blade attached to the shaft and having a first paddle portion and a second paddle portion. In addition, the spade bit includes a tip portion attached to the blade and aligned with the axis. The first paddle portion includes (i) a first leading end portion positioned on a first side of the axis and configured to define a first cutting edge portion, and (ii) a first lateral extension portion configured to define a first sloping surface. The first paddle portion defines a first relief space positioned adjacent to both the first sloping portion and the first leading end portion. The second paddle portion includes (i) a second leading end portion positioned on an opposite second side of the axis and configured to define a second cutting edge portion, and (ii) a second lateral extension portion configured to define a second sloping surface. The second paddle portion defines a second relief space positioned adjacent to both the second sloping portion and the second leading end portion. | 05-07-2009 |
20090097932 | Spade bit with improved cutting geometry - A spade bit includes a shaft defining an axis, and a blade attached to the shaft and having a first blade portion and a second blade portion. The first blade portion defines a first leading face portion, and the second blade portion defines a second leading face portion. The first blade portion defines a first cutting edge portion, and the second blade portion defines a second cutting edge portion. The first cutting edge portion lies on a first border portion of the first leading face portion, and the second cutting edge portion lies on a second border portion of the second leading face portion. The first cutting edge portion and the second cutting edge portion both lie in a plane P | 04-16-2009 |
20090097931 | Spade Bit having Threaded Conical Tip Portion - A bit including a shaft defining an axis about which the bit is configured to be rotated. The bit further includes a blade having a first end attached to the shaft and an opposite second end, the blade further having (i) a first blade portion including a first shoulder defining a first cutting edge portion at the second end of the blade, and (ii) a second blade portion including a second shoulder defining a second cutting edge portion at the second end of the blade. The bit additionally includes a frusto-conically-shaped tip portion having an apex and being attached to the second end of the blade. The frusto-conically-shaped tip portion includes threads extending from the apex to a location adjacent to the first cutting edge portion and the second cutting edge portion. | 04-16-2009 |
20090096181 | Jobsite cart for transporting tools - Embodiments of the invention comprise a jobsite cart for transporting tools and other materials that comprise a metal frame having at least two spaced apart side members that are interconnected by an upper bridge member and at least one lower bridge member, a pair of spaced apart rotatable wheels operatively connected to the frame configured to enable the cart to be rolled along a ground surface, a handle at the top of the frame, a container operatively connected to and located on a first side of the frame and having an open top and a chamber for receiving tools and other materials therein, a cooler located in at least a portion of the chamber, a radio operatively connected to the frame, and a foldable table operatively connected to the frame and located on a second side of the frame which is opposite the first side thereof. | 04-16-2009 |
20090080989 | Drill bit and reamer - A tool bit providing a combined drill bit and reamer is disclosed herein. The tool bit comprises an axial bit shaft including a bore end and a shank end. At least one helical land portion is provided on the bit shaft. The at least one helical land portion includes a cutting edge and a trailing edge. At least one reamer blade is provided on the helical land portion at the bore end of the bit shaft. The at least one reamer blade includes a substantially axial cutting edge. A tip arrangement is also included on the bore end of the bit shaft. The tip arrangement includes a center blade positioned between peripheral cutting blades. | 03-26-2009 |
20090065992 | Dog hole layout for a workbench system - A workbench system is disclosed which may include a work surface with a first dog hole, a second dog hole spaced apart from the first dog hole and a plurality of dogs, each of the plurality of dogs including a body defining a first and second securing portion, and a stem portion extending away from the body and configured to fit into the first and second dog holes such that the first securing portions of the first and the second of the plurality of dogs are spaced apart with respect to an axis extending along the first work surface portion at a distance corresponding to a first commonly sized work piece width and the second securing portions of the first and the second of the plurality of dogs are spaced apart with respect to the axis at a distance corresponding to a second commonly sized work piece width. | 03-12-2009 |
20090056833 | Router Table With Mechanical Drive - A router table comprises a table top, a bit mount, and a drive train. The bit mount is configured to hold a router bit such that the router bit extends from the table top defining a bit axis. The drive train is positioned under the table top and is operably connected between the bit mount and a drive coupling. The drive coupling is configured to engage a driven member, with the drive coupling defining a drive axis that is not coaxial with the bit axis. The driven member may be provided by a drive bit on a portable router secured to the table top. Operation of the portable router results in rotation of the driven member. Rotation of the driven member and associated drive coupling operates the drive train and results in rotation of the bit mount and associated router bit. | 03-05-2009 |
20090050501 | Router bit kit - A router bit kit includes a plurality of router bits, a plurality of router bits and a container. Each of the plurality of router bits has a cutting surface configured to produce a cut having a three dimensional kerf profile. Each of the plurality of bit holders corresponds to at least one of the plurality of f router bits. Each of the plurality of bit holders has a three dimensional kerf profile portion that matches the three dimensional kerf profile which the corresponding router bit is configured to produce. The container is configured to retain the plurality of router bits and the plurality of holders. | 02-26-2009 |
20090045088 | Electric tool holder with accessory pod - The invention is a system incorporating an accessory pod. In one embodiment, a rotary tool charging station system includes an electric tool holder with a charging port and a first coupling portion, and an accessory holder pod configured to hold a plurality of accessories and including a second coupling portion, the second coupling portion configured to removably couple with the first coupling portion. | 02-19-2009 |
20090032138 | Vacuum attachment for rotary tool - An attachment device for a rotary tool having an output shaft extending from the rotary tool housing is disclosed herein. The attachment device comprises an attachment housing defining a vacuum mouth. A fastening member is coupled to the attachment housing, and is configured to releasably connect the attachment housing to the tool housing. A fan is retained within the attachment housing. The fan is configured for connection to the end of the output shaft extending from the rotary tool such that rotation of the output shaft results in rotation of the impeller. Rotation of the impeller causes air and debris to be drawn into the attachment through the mouth. A debris container is coupled to the attachment housing and is configured to receive the debris drawn into the housing through the vacuum mouth. | 02-05-2009 |
20090026718 | Toolless bitholder for spiral saws - A bit holder for a rotary tool is disclosed herein. In one embodiment, the bit holder comprises a drive shaft with an elongated bit channel configured to receive a tool bit for the rotary tool. A cavity is provided in a peripheral wall of the drive shaft. The cavity extends in a radial direction from the bit channel to an outer portion of the drive shaft. A moveable lock member is positioned in the cavity of the drive shaft. A collet is positioned in the bit channel apart from the cavity. The collet includes a collapsible end portion configured to clamp down on the tool bit. A collet nut rotatably engages the drive shaft and is moveable between a release position and a lock position. In the lock position the collet nut clamps the collapsible end portion of the collet while also forcing the lock member into the bit cavity. | 01-29-2009 |
20090008282 | In-tool wrench storage system - The present invention is a method and device for a hand power tool which includes a housing, a storage compartment within the housing, a wrench for manipulating a collet bit attachment structure, a portion of the wrench sized to fit within the storage compartment, a first spring extending into the storage cavity and positioned to bias the portion of the wrench against an inner wall of the storage compartment and a protuberance positioned on the housing, such that when the portion of the wrench is partially within the cavity, the protuberance causes a first misalignment between the longitudinal axis of the storage compartment and the longitudinal axis of the wrench and when the portion of the wrench is fully within the cavity, the protuberance does not cause a misalignment between the longitudinal axis of the storage compartment and the longitudinal axis of the wrench as large as the first misalignment. | 01-08-2009 |
20090007987 | Tool mount for use in attaching a power tool to a support structure - A tool mount assembly adapted to be attached to a support structure includes a body and a clamping mechanism configured to secure the body to the support structure. The assembly further includes a first member defining a first internally threaded passage, the first member being movable in relation to the body along a linear path of movement. The assembly also includes a second member defining a second internally threaded passage, the second member being pivotably secured to the body. The body has a first slot defined therein, and the first internally threaded passage is continuously aligned with the first slot during movement of the first member in the linear path of movement. In addition, the body has a second slot defined therein, and the second internally threaded passage is continuously aligned with the second slot during movement of the second member in an arcuate path of movement. | 01-08-2009 |
20080304927 | Cutting bit adapted to cut metal and wood and associated method - A cutting bit adapted to cut wood or metal is disclosed. The cutting bit is prepared by a process which includes the step of performing a forming operation on a metal blank so as to create a formed metal part that includes (i) a shaft having a polygonal shaped drive surface and defining an axis, (ii) a body having a proximal end and a distal end, the proximal end of the body being attached to the shaft, the body further having a first shoulder and a second shoulder at the distal end thereof, the first shoulder defining a first cutting edge segment, and the second shoulder defining a second cutting edge segment, the axis extending between the first cutting edge segment and the second cutting edge segment, (iii) a central cutting member extending from the body so that the central cutting member is aligned with the axis, (iv) a first cutting spur extending from the distal end of the body, the first cutting edge segment being interposed between the first cutting spur and the axis, and (v) a second cutting spur extending from the distal end of the body, the second cutting edge segment being interposed between the second cutting spur and the axis. The process of preparing the cutting bit further includes the step of performing a carburization operation on the formed metal part after the first step so as to create the cutting bit. The cutting bit is particularly useful in performing a drilling operation on a metal construction wall stud to form a hole therein. | 12-11-2008 |
20080302226 | Power tool having imaging device and display device - A hand held power tool assembly is disclosed. The assembly includes a hand held power saw having (i) a housing, (ii) a saw blade, (iii) a base having an opening through which the saw blade extends, and (iv) a motor positioned within the housing and configured to rotate the saw blade in a path of movement. The assembly further includes an imaging device attached to the base of the power saw, the imaging device being configured to generate data signals representative of a detected image. In addition, the assembly includes a display device attached to the housing of the power saw, the display device being configured to receive the data signals generated by the imaging device and generate a visible representation of the detected image. | 12-11-2008 |
20080252446 | Power hand tool with data collection and storage and method of operating - The invention provides a system and method of monitoring at least one operating characteristic of a hand power tool. In one embodiment, a hand power tool includes a housing, a motor within the housing and a tag mounted on the housing. The tag includes a first antenna for harvesting energy from an electromagnetic field associated with the motor, a microprocessor configured to operate using the harvested energy, a memory including stored commands which, when executed by the microprocessor, cause data associated with a sensed condition of the hand power tool to be stored within the memory, and a second antenna for coupling with a radio frequency identification (RFID) reader and for transmitting the data stored within the memory to the RFID reader. | 10-16-2008 |
20080216627 | Miter saw assembly with offset support assembly - A miter saw assembly includes a base and a turntable rotatable in relation to the base. The miter saw further includes a cutting assembly having a saw blade configured to cut a work piece positioned on the turntable. In addition, the miter saw includes a dust conduit positioned to receive saw dust generated by a cutting operation of the cutting assembly on the work piece. The miter saw also includes a support assembly coupled to the turntable and configured to support the cutting assembly, the support assembly including (i) a carriage mechanism configured to enable linear movement of the cutting assembly in relation to the turntable, and (ii) a pivot mechanism configured to enable pivotal movement of the cutting assembly in relation to the turntable. The saw blade possesses (i) a first lateral face that defines a first plane, and (ii) a second lateral face that defines a second plane. A zone is defined between the first plane and the second plane. At least a portion of the dust conduit is positioned in the zone. All of the pivot mechanism is spaced apart from the zone. | 09-11-2008 |