Patent application number | Description | Published |
20090129944 | PERISTALTIC PUMP - A peristaltic pump is presented comprising a housing and a rotor assembly supported by the housing. An occlusion bed is slideably mounted in the housing. A door is pivotable about a shaft, which is supported by the housing. A pinion gear is coupled to the shaft and engages a rack on the occlusion bed. Rotation of the shaft causes the occlusion bed to slide toward or away from the rotor assembly. An open portion of a tube retaining system is associated with the housing and a clamping portion of the tube retaining system is associated with the door. The open portion and the clamping portion of the tube retaining system are configured to secure flexible tubing therebetween when the door is in a closed position. | 05-21-2009 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20110297799 | FOLDABLE STAND FOR A PORTABLE POWER TOOL - A foldable stand for supporting an object, the stand being capable of being folded between an unfolded position and a thin flat folded position, comprising a top frame having a generally rectangular planar configuration with front and rear support members interconnected with left and right spaced apart side support members, each of the side support members having a hinge generally midway along the length thereof, permitting the top frame to be folded when the stand is in the folded position, a pair of foldable leg structures, one of which is attached to each side of the top frame for supporting the top frame, a retaining structure for engaging the object and a locking mechanism for engaging the object, wherein manipulation of the top frame to rotate the hinge between the folded and unfolded positions causes each of the leg structures to be correspondingly moved between folded and unfolded positions. | 12-08-2011 |
20120006170 | Portable Table Saw - A table saw is disclosed. The table saw includes a support arrangement, a table top assembly connected to the support arrangement, the table top assembly having (i) a work piece support surface, and (ii) a saw blade opening defined in the work piece support surface, a saw assembly supported under the table top assembly and having a saw blade that extends through the saw blade opening, a saw assembly adjustment mechanism having a user actuator, wherein the saw assembly adjustment mechanism is configured so that movement of the user actuator causes movement of the saw blade in relation to the work piece support surface, a first extension element extending from the support arrangement and defining a first extension space, and a second extension element extending from the support arrangement and defining a second extension space, wherein a first protection zone is defined between the first extension space and the second extension space, and wherein the actuator is completely contained within the first protection zone. | 01-12-2012 |
20120036972 | DUST MANAGEMENT SYSTEM IN A TABLE SAW - A table saw is disclosed. The table saw includes a table top which includes an opening configured to receive a saw blade, and a motor positioned under the table top and configured to rotate the saw blade about an axis of rotation, wherein a midline that defines a front portion and a rear portion of the saw blade extends through the saw blade at the axis of rotation and is perpendicular with respect to the table top when the saw blade is perpendicular with respect to the table, a blade case positioned under the table top, the blade case including a blade chamber defined by a first wall on one side of the blade, a second wall on an opposite side of the blade, and a third wall along an outer perimeter of the blade chamber, and at least one dust deflector positioned within the blade chamber between the axis of rotation and the third wall of the blade chamber, the at least one dust deflector extending through the midline. | 02-16-2012 |
20120036976 | GUARD SYSTEMS FOR TABLE SAW - A table saw is disclosed. The table saw includes a table top including an opening configured to receive a saw blade, a blade case positioned under the table top, the blade case including an interior portion with the saw blade partially positioned within the interior portion, the blade case configured to move relative to the table top, a motor coupled to the saw blade and configured to move relative to the table top, the saw motor configured to rotate the blade about a blade axis, and at least one moveable guard member positioned between the table top and the blade case, the at least one moveable guard member providing an obstruction to the interior portion of the blade case, and the at least one moveable guard member configured to pivot about a pivot axis when the motor is moved up or down or tilted relative to the table top, wherein the pivot axis is substantially perpendicular to the blade axis. | 02-16-2012 |
20130133496 | Extendable Workpiece Support for a Portable Power Tool - A table saw includes a base, a workpiece support structure, and an extension support assembly. The workpiece support structure is supported by the base and defines a workpiece support surface. The extension support assembly includes (i) a guide movable in relation to the base between a first guide position and a second guide position, (ii) an arm assembly movably supported by the guide, and (iii) a cam mechanism movable in relation to the base between a first cam position and a second cam position. Movement of the cam mechanism from the first cam position to the second cam position causes movement of the guide from the first guide position to the second guide position. | 05-30-2013 |
20140157966 | DUAL STAGE DRIVE FOR POWER EQUIPMENT - A power equipment includes a base defining an enclosure space, a table supported on the base, and a cutting assembly supported within the enclosure space below the table. The cutting assembly includes a motor having an output shaft and a dual stage drive system operably coupled to the output shaft. The output shaft defines a first axis of rotation. The dual stage drive system includes a first pinion mounted on the output shaft for rotation about the first axis, a first gear meshed with the first pinion and mounted on a first shaft that defines a second axis of rotation that is offset from the first axis, a second pinion mounted on the first shaft for rotation about the second axis, and a second gear meshed with the second pinion and mounted on a second shaft that defines a third axis of rotation. An arbor is connected to the second shaft for rotation about the third axis along with the second shaft. The first shaft is offset below the second shaft, and the output shaft is offset below the first shaft. | 06-12-2014 |
20140174273 | RIP FENCE HAVING DUAL ADJUSTMENT FOR A POWER TOOL - A guide assembly, or rip fence, supported by guides of a table saw includes a clamping apparatus having locking mechanisms located at each end of the guide assembly. Each of the locking mechanisms is independently adjustable to provide accurate and repeatable positioning of the guide assembly with respect to the table and with respect to the saw blade with self-alignment and desired force. An adjustable locking self-alignment spring provides for self-alignment of the rip fence with respect to the blade. | 06-26-2014 |
20140182434 | POWER EQUIPMENT WITH QUICK RELEASE ANTI-KICKBACK DEVICE - A power equipment in one embodiment includes a riving knife with a circular mounting hole opening to an outer surface of the riving knife through a throat, the throat having a minimum diameter that is less than a minimum diameter of the mounting hole, and an anti-kickback assembly including a generally cylindrical grooved shaft having a first diameter larger than a minimum diameter of the throat and a second diameter smaller than the minimum diameter of the throat, and an actuating arm operably connected to the grooved shaft and configured to rotate the grooved shaft from a first position whereat the second diameter is aligned with the throat and a second position whereat the second diameter is not aligned with the throat. | 07-03-2014 |
20140260869 | HEIGHT ADJUSTMENT MECHANISM FOR POWER TOOL - A power tool includes a support arrangement and a work surface that is supported by the support arrangement and that includes a top surface having an opening configured to receive a rotatable blade. The power tool also includes a cutting assembly that is supported by the support arrangement and that includes a motor, a drive shaft driven by the motor, and the rotatable blade rotated by the drive shaft. The power tool also includes a height adjustment mechanism coupled to the support arrangement and to the cutting assembly. The height adjustment mechanism is configured to move the cutting assembly upwardly and downwardly relative to the top surface. The height adjustment mechanism includes a threaded shaft, at least one nut threadably coupled to the threaded shaft, and at least one connection member rotatably coupled to the at least one nut and to the cutting assembly. | 09-18-2014 |
20140265102 | SLIDING TABLE ASSEMBLY FOR A SAW MACHINE - A sliding table assembly for a main table of a saw machine includes a sliding table member having a planar upper surface, a miter slot, and a rail structure, and a bracket structure configured to be attached to a mounting structure on the main table of the table saw. The bracket structure is configured to squeeze the rail structure to provide zero clearance support for slidably retaining the sliding table member. Vertical and horizontal position adjustment mechanisms are operably connected to the bracket structure and configured to move at least a portion of the bracket structure horizontally as well as vertically with respect to the mounting structure to align the upper surface of the sliding table member in plane with the upper surface of the main table and to align the miter slot parallel to a blade of the saw machine. | 09-18-2014 |
20140311312 | Bevel Mechanism for a Power Saw - A table saw includes a support arrangement and a table top assembly including a work piece support surface defining a plane and a saw blade opening in the work piece support surface. An undercarriage assembly, mounted to the table top assembly, supports a saw blade in an adjustable angular position and includes a motor assembly and an arbor shaft to support the saw blade in the saw blade opening. The bevel pivoting mechanism is configured to increase a distance between the motor or arbor shaft and the plane of the work piece support surface with a change to the angular position of the saw blade to substantially prevent the motor or arbor from contacting the table top assembly. | 10-23-2014 |