Patent application number | Description | Published |
20080253852 | Push Button Holesaw Mandrel Assembly - A holesaw mandrel assembly has a mandrel body with a first end to be coupled with a drill motor and a second end extending from the body. The second end receives a holesaw. A housing covers a portion of the mandrel. A first member is coupled with the housing and moves between a first and second position. A friction surface is on the first member. The friction surface is adapted to contact the holesaw such that upon contact with the friction surface, the holesaw is fixed in position. The friction surface moves between a first contact position and a second release position. A mechanism coupled with the housing moves the friction face between the first and second positions. | 10-16-2008 |
20090302088 | Anchor Installation Tool - An anchor installation tool has an elongated member with a body portion and a head portion. The body portion includes an internal bore to receive a drill bit. The head portion projects from and has a diameter smaller than the body portion. The head portion is coaxial with the body portion. An anchor guide has a sleeve-shaped body with a bore throughout the body. The bore has a portion sized to fit over the body portion and a portion to fit over the head portion. The guide slides on the body and head portions. A mechanism retains the anchor guide onto the body portion. The retaining mechanism enables sliding of the anchor guide and prohibits removal of the anchor guide from the body portion. | 12-10-2009 |
20090311061 | Impact Resistant Tool Bit and Tool Bit Holder - An impact resistant tool or tool bit holder has an active end for driving a fastener and a shanking end for securing to a power tool. The active end includes a body with a bore to receive the shank and a pocket to receive a damping mechanism. The shank includes an end to engage the bore in the body, and a pocket to receive the damping mechanism. The shank is received in the bore in the body for limited rotation with respect to the body. A damping mechanism is positioned in the pockets to provide damping between the body and the shank during torque loading. | 12-17-2009 |
20100215450 | Depth Gauge For Drill Bit - A depth gauge for use with a drill bit includes a body configured to receive a drill bit, a retention mechanism coupled to the body and configured to removably couple the body to the drill bit, and a cap configured to be removably coupled to the body. The cap can be coupled to the body in one of a first position relative to the body where the cap contacts a workpiece surface to prevent the drill bit from entering the workpiece more than a first depth, and a second position relative to the body where the cap contacts the workpiece surface to prevent the drill bit from entering the workpiece more than a second depth that is different from the first depth. | 08-26-2010 |
20100260565 | Depth Gauge For Drill Bit - A drill bit has a shank portion having a plurality of SDS-type slots, a cutting portion comprising at least one cutting flute, and an intermediate portion connecting the shank to the cutting portion, the intermediate portion including at least one additional slot. A depth gauge includes a body configured to receive the drill bit, a retention mechanism coupled to the body and having an inward projection to removably couple the body to the at least one additional slot in the drill bit, and a cap coupled to the body such that the cap contacts a workpiece surface to prevent the drill bit from entering the workpiece more than a predetermined depth, wherein the cap is movable relative to the body among a plurality of positions, wherein each of the plurality of positions corresponds to a different predetermined drilling depth. | 10-14-2010 |
20110081214 | Dust Collector for use with Drill Bit or Drill Bit Depth Stop - A dust collector is disclosed for use with a drill bit or a depth stop that is coupled to a drill bit. The dust collector includes a rear attachment portion configured to be axially fixed to a drill bit or to a drill bit depth stop that is axially fixed to a drill bit. An intermediate non-collapsible portion is attached to a front end of the rear attachment portion. The intermediate non-collapsible portion defines a dust-collecting pocket and is structured to inhibit collapse as the drill bit is inserted into a workpiece. A front collapsible portion is attached to a front end of the intermediate non-collapsible portion and at least partially collapses as the drill bit is inserted into a workpiece. | 04-07-2011 |
20110089218 | Anchor Installation Tool - An anchor installation tool has an elongated driving member with a body portion and a head portion. A retaining mechanism retains the anchor installation to the drill bit. The mechanism has a housing on the body portion with a pair of bias lugs that project through the body portion to contact the drill bit. An anchor guide slides on the body and head portion and has a holding member to hold an anchor. The anchor is held in the anchor guide and a drill bit is inserted into the driving member. Axial movement of the drill bit is transferred into axial movement of the driving member. The movement strikes the anchor and ejects the anchor from the anchor guide into a surface. | 04-21-2011 |
20120160064 | Cleanable Magnetic Nut Driver - A magnet nut driver is provided with a cleanable magnet. | 06-28-2012 |
20130154205 | Right Angle Attachment For Power Tools - A right angle attachment for use with a power tool that includes a housing having a handle portion and a gear case attached to the handle portion and supporting first and second right angle gears wherein the first right angle gear is driven by an input shaft that is connected to the drill and the second right angle gear has an opening therein for receiving a hex bit directly therein. A floating magnet head can surround the hex bit to aid in fastener retention and can be movable out of proximity of the hex bit to facilitate easy removal of the hex bit for replacement. An additional magnet can be disposed within the gear case at the base of the hex bit in order to magnetize the hex bit and further enhance the retention of the fastener therein. | 06-20-2013 |
20130266388 | Anchor Installation Tool - An anchor installation tool has an elongated driving member with a body portion and a head portion. A retaining mechanism retains the anchor installation to the drill bit. The mechanism has a housing on the body portion with a pair of bias lugs that project through the body portion to contact the drill bit. An anchor guide slides on the body and head portion and has a holding member to hold an anchor. The anchor is held in the anchor guide and a drill bit is inserted into the driving member. Axial movement of the drill bit is transferred into axial movement of the driving member. The movement strikes the anchor and ejects the anchor from the anchor guide into a surface. | 10-10-2013 |
20130328276 | Quick Change Bit Holder With Ring Magnet - A bit holder assembly for a rotary hand or powered tool, includes a body having a hex shank at its rearward end and a retraction collar slidably disposed on the body. The body has a coaxial hex socket formed therein to allow a tool bit to be inserted thereinto. A coil spring biases the retraction collar forwardly and biases a retaining clip toward the bottom of an angular slot formed in the body. The bit is removed by sliding the retraction collar rearwardly, to compress the coil spring and allow the retaining clip to retract back up the slot. A ring magnet is disposed at the forward end of the retraction collar to magnetize a fastener to retain the fastener to the bit. | 12-12-2013 |
20130340579 | TOOL BIT OR TOOL HOLDER FOR POWER TOOL - A tool holder for use with a power tool includes an input shaft with a rear portion couplable to a power tool, and an output shaft with a front portion couplable to a tool bit. A clutch assembly releasably non-rotationally couples a front portion of the input shaft to a rear portion of the output shaft, and includes a recess in the front portion of the input shaft or the rear portion of the output shaft, an aperture in the other of the front portion of the input shaft or the rear portion of the output shaft, a roller received in the aperture, and a spring that biases the roller radially inwardly toward the recess. The spring enables release of the roller radially outwardly from the recess when a predetermined torque threshold is exceeded, such that torque is not transmitted from the input shaft to the output shaft. | 12-26-2013 |
20140126972 | DEPTH GAUGE AND DRILL BIT - A drill bit has a shank portion having a plurality of SDS-type slots, a cutting portion comprising at least one cutting flute, and an intermediate portion connecting the shank to the cutting portion, the intermediate portion including at least one longitudinal slot. A depth gauge includes a body configured to receive the drill bit, a retention mechanism coupled to the body and having an inward projection to removably couple the body to the at least one additional slot in the drill bit, and a cap coupled to the body such that the cap contacts a workpiece surface to prevent the drill bit from entering the workpiece more than a predetermined depth, wherein the cap is movable relative to the body among a plurality of positions, wherein each of the plurality of positions corresponds to a different predetermined drilling depth. | 05-08-2014 |
20140174263 | CLEANABLE MAGNETIC DRIVER FOR THREADED FASTENERS - A driver for driving a threaded fastener includes a shank and a sleeve. The shank has a rear portion configured to be coupled to a power tool. The sleeve defines a bore having a round rear portion and a polygonal front socket. An inner shaft has a round rear portion received in the bore and a polygonal front portion that matches the polygonal socket and that includes a magnet holder with front and rear magnetic portions. An actuator is coupled to the inner shaft to move the inner shaft between a rear position where the front magnetic portion is within the socket, and a front position where the front magnetic portion is exposed from the socket for cleaning. The rear magnetic portion magnetically attracts the inner shaft toward a rear end of the internal bore to bias the inner shaft toward the rear position. | 06-26-2014 |
20140328640 | BI-METAL DRILL BIT - A bi-metal drill bit includes a body defining a cutting end and a shank end. At least a portion of the cutting end is formed of a first metal section and at least a portion of the shank end is formed of a second metal section that is welded to the first metal section. The first metal section has a first metal having a material hardness that is higher than a second material hardness of the second metal section. One of the first and second metal sections is treated either by coating or oxide treating so as to have a recognizable different appearance than the other of the first and second metal sections. A length to diameter ratio of the first metal section has been optimized to allow electrical resistance welding, provide better strength in the rear end after the tip breaks through a workpiece, and to minimize cost. | 11-06-2014 |
20140356088 | DRILL BIT - An elongated drill bit has a shank at one end and working end at the other. A flute portion is between the working end and the shank. The flute portion is continuous with the shank and working end and is generally unitarily formed with them. The flute portion has at least one flute with a helix angle between approximately 30° and 35°. The working end has a pilot tip with a cutting portion. A tapered web is formed in the flute portion, a thickness of the web at the tip of the working end is about 9% to 15% of the nominal diameter. | 12-04-2014 |