Abstract: The invention is a ratcheting open ended wrench comprising a main body having an elongate primary handle portion and an upper stationary jaw element, a secondary handle opposed to the primary handle portion and having a binding surface at the top being pivotally attached to the main body, a tertiary handle pivotally attached to the main body having a gear element cooperating with a geared end of a connecting rod, the opposing end pivotally and slidably fixed to a lower movable jaw assembly, the lower movable jaw assembly being spring biased against the upper stationary jaw and positioned within a main body guide slot so that the secondary handle binding surface contacts the lower jaw assembly and activation of the secondary handle clamps the lower movable jaw assembly relative to the upper stationary jaw. Activation of the tertiary handle counteracts the lower movable jaw spring bias to open the jaws.

Abstract: A tool system with a battery pack and a device that is configured to be selectively coupled to the battery pack. The battery pack has first, second and third pack terminals. The device has a battery mount with a body that defines a well and first and second device terminals. The body defines a well into which the battery pack is removably received. The first and second device terminals extend outwardly from a proximal portion of the battery mount and engage the first and second pack terminals when the battery pack is fully inserted into the well. At least one of the first and second pack terminals and the first and second device terminals is a male terminal that is received into a corresponding one of the first and second pack terminals and the first and second device terminals. A longitudinal axis of each of the first, second and third pack terminals is arranged parallel to a longitudinal axis of the battery pack.

Abstract: A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a cordless device 11 regardless of the angular orientation of the pack 13 about casing axis 33. To reduce cost and increase durability, pack 13 has no welded connections and will permit high current discharge rates. Cells 41, 43 are electrically connected but are mechanically disconnected. A spring 73 engages cell 41 and biases cells 41, 43 tightly together in compression to form good, low resistance electrical contact between cells 41, 43, casing base cap 45 and top 53. To provide a pack with two output voltages, the third pack terminal 61 has a polarity (relative to first pack terminal 46) the same as second pack terminal 54 and is electrically connected to the cell can terminal 43b of forward cell 43, thereby electrically by-passing cell 43.

Abstract: A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a cordless device 11 regardless of the angular orientation of the pack 13 about casing axis 33. To reduce cost and increase durability, pack 13 has no welded connections and will permit high current discharge rates. Cells 41, 43 are electrically connected but are mechanically disconnected. A spring 73 engages cell 41 and biases cells 41, 43 tightly together in compression to form good, low resistance electrical contact between cells 41, 43, casing base cap 45 and top 53. To provide a pack with two output voltages, the third pack terminal 61 has a polarity (relative to first pack terminal 46) the same as second pack terminal 54 and is electrically connected to the cell can terminal 43b of forward cell 43, thereby electrically by-passing cell 43.

Abstract: A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a cordless device 11 regardless of the angular orientation of the pack 13 about casing axis 33. To reduce cost and increase durability, pack 13 has no welded connections and will permit high current discharge rates. Cells 41, 43 are electrically connected but are mechanically disconnected. A spring 73 engages cell 41 and biases cells 41, 43 tightly together in compression to form good, low resistance electrical contact between cells 41, 43, casing base cap 45 and top 53. To provide a pack with two output voltages, the third pack terminal 61 has a polarity (relative to first pack terminal 46) the same as second pack terminal 54 and is electrically connected to the cell can terminal 43b of forward cell 43, thereby electrically by-passing cell 43.

Abstract: When connecting two elements that are moveable with respect to one another, someamount of clearance, i.e., spacing between the elements, is included to minimize friction between the elements. The present invention is directed to setting the clearance within a desired range, regardless of manufacturing tolerances of the two elements. In particular, the present invention is directed to power cutting tools wherein it is necessary to set the clearance between one or more reciprocating blades and a blade support member.

Abstract: A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 541, 61 are electrically connectable in a cordless device 11 regardless of the angular orientation of the pack 13 about casing axis 33. To reduce cost and increase durability, pack 13 has no welded connections and will permit high current discharge rates. Cells 41, 43 are electrically connected but are mechanically disconnected. A spring 73 engages cell 41 and biases cells 41, 43 tightly together in compression to form good, low resistance electrical contact between cells 41, 43, casing base cap 45 and top 53. To provide a pack with two output voltages, the third pack terminal 61 has a polarity (relative to first pack terminal 46) the same as second pack terminal 54 and is electrically connected to the cell can terminal 43b of forward cell 43, thereby electrically by-passing cell 43.

Abstract: When connecting two elements that are moveable with respect to one another, some amount of clearance, i.e., spacing between the elements, is included to minimize friction between the elements. The present invention is directed to setting the clearance within a desired range, regardless of manufacturing tolerances of the two elements. In particular, the present invention is directed to power cutting tools wherein it is necessary to set the clearance between one or more reciprocating blades and a blade support member.

Abstract: A power tool includes a motor, an arbor driven by the motor, a rotatable cutting tool disposed on the arbor and having a rotational axis, the cutting tool further having a hole, first and second clamps connected to the arbor and clamping the blade, wherein one of the cutting tool and at least one of the first and second clamps and arbor have a first drive surface for contacting a second drive surface on the other of the cutting tool and the at least one of the first and second clamps and arbor, the second drive surface being movable between a first position contacting the first drive surface and a second position bypassing the first drive surface. The second drive surface is resiliently connected to the other of the cutting tool and the at least one of the first and second clamps and arbor. At least one metal strip connects the second drive surface to the other of the blade and the at least one of the first and second clamps and arbor.

Abstract: When connecting two elements that are moveable with respect to one another, some amount of clearance, i.e., spacing between the elements, is included to minimize friction between the elements. The present invention is directed to setting the clearance within a desired range, regardless of manufacturing tolerances of the two elements. In particular, the present invention is directed to power cutting tools wherein it is necessary to set the clearance between one or more reciprocating blades and a blade support member.

Abstract: A chuck 30 is formed with a generally cylindrical body 54 formed with a bore 60 at a forward end 58 thereof. A fixed clamp segment 134 and a movable clamp segment 166 are located in radial opposition in the bore 60. A pair of ribs 142 are formed on the fixed segment 134 and extend radially inward. A single rib 172 is formed on the movable segment 166 and extends radially inward. The ribs 142 and 172 cooperate to clamp a shank 42 therebetween in a clamping mode. A sleeve 78 is positioned about the body and is movable axially relative thereto. A camming section 88 formed on an interior wall of the sleeve 78 is captured between a head 124 of a pin 122 and a detent ring 132 to latch the sleeve in an unclamped mode. When the shank 42 is inserted into the bore 60, the forward end of the shank engages the pin 122 to move the head 124 against the camming section 88 which, in turn, moves the section past the detent ring.

Abstract: A rotary device has a releasable tool holder. A spindle with two ends has one end adapted to secure to a rotary device and the other includes a bore to receive a tool. A mechanism to retain and release the tool from the spindle bore is coupled with the spindle adjacent the bore end. At least two unlike retention members to apply a force on the tool in the bore are adjacent the bore. A sleeve surrounds the bore end of the spindle as well as the at least two unlike retention members. The sleeve has a common surface to apply a force on the at least two unlike retention members such that when the sleeve is axially moved along the spindle, the force is varied with respect to the position of the surface on the retention member. This force maintains the tool in the bore or enables the tool to be removed from the bore. A biasing member maintains the sleeve in a retention position on the spindle.

Abstract: A removable chuck has a chuck member for holding a drill bit. Also, a mechanism is coupled with the chuck body to retain the chuck body to a drill spindle. The retention mechanism, in a first position, retains the chuck on the drill spindle and in a second position the chuck is enabled to be removed from the spindle.

Abstract: A rotary device has a releasable tool holder. A spindle with two ends has one end adapted to secure to a rotary device and the other includes a bore to receive a tool. A mechanism to retain and release the tool from the spindle bore is coupled with the spindle adjacent the bore end. At least two unlike retention members to apply a force on the tool in the bore are adjacent the bore. A sleeve surrounds the bore end of the spindle as well as the at least two unlike retention members. The sleeve has a common surface to apply a force on the at least two unlike retention members such that when the sleeve is axially moved along the spindle, the force is varied with respect to the position of the surface on the retention member. This force maintains the tool in the bore or enables the tool to be removed from the bore. A biasing member maintains the sleeve in a retention position on the spindle.

Abstract: A router includes a tool holder which has a spindle with a bore to receive a router tool bit. A sleeve surrounds the spindle. A locking mechanism retains the router bit in the bore. The locking mechanism includes at least one rolling member in contact with the sleeve and which extends into the bore. The rolling member locks the router bit in the tool holder. A biasing member retains the sleeve in a locked position. The locking mechanism includes an activation member remotely positioned from the sleeve for moving the sleeve between the locked and unlocked position.

Abstract: A liner for a power tool holder has a wall which defines an interior and an exterior periphery. The interior periphery is sized to receive a tool shaft and the exterior periphery is sized to fit within a tool holder. The liner protects the tool shafts from marring, nicking or the like while being frictionally held by the tool holder.

Abstract: A bit attaching arrangement for a power tool has a collet nut threadably engaging a rotatably driven shaft of the power tool. The collet nut has a plurality of slots positioned on an outer peripheral surface. A first gear is disposed on the shaft so that rotation of the first gear causes rotation of the shaft. An actuating member having a second gear associated therewith is attached to the housing of the power tool. The actuating member also has a slot-engaging extension associated therewith. The actuating member is positionable between a first position and a second position. In the first position, the second gear engages the first gear and the extension engages one of the slots of the collet nut such that rotation of the actuating member results in rotation of the shaft while maintaining the collet nut at a generally fixed rotational location.

Abstract: A rotary device has a releasable tool holder. A spindle with two ends has one end adapted to secure to a rotary device and the other includes a bore to receive a tool. A mechanism to retain and release the tool from the spindle bore is coupled with the spindle adjacent the bore end. At least two unlike retention members to apply a force on the tool in the bore are adjacent the bore. A sleeve surrounds the bore end of the spindle as well as the at least two unlike retention members. The sleeve has a common surface to apply a force on the at least two unlike retention members such that when the sleeve is axially moved along the spindle, the force is varied with respect to the position of the surface on the retention member. This force maintains the tool in the bore or enables the tool to be removed from the bore. A biasing member maintains the sleeve in a retention position on the spindle.

Abstract: A brush assembly preferably for a universal motor comprises a tubular brush holder 13, a carbon brush 33, an arm 31 for biasing the brush and a spring 85 for biasing the arm. The brush is slidably mounted in the cavity 21 of the holder. A stop 61 is formed between the brush and the holder and has a disengaged position to permit travel of the brush partially through the inner end 25 of the holder and an engaged position to limit travel of the brush through the inner end 25 of the holder. The electrically conductive arm 31 is pivotally mounted on the support and extends through a slot 29 of the holder. A distal end 60 of the brush engages the outer end 53 of the brush and biases the brush 33 toward the inner end 25 of the cavity. The spring 85 is connected between the support 15 and the arm 31 for biasing the arm 31 into engagement with the brush 33. The arm is spaced outwardly of the end of the slot to apply a bias to the brush when the stop is in an engaged position.

Abstract: A battery pack 13 (FIG. 2) comprises an elongated cylindrical, metal casing 35, a plurality of cells 41, 43 in casing 35 and three coaxial pack terminals 46, 54, 61. For enhanced convenience, pack terminals 46, 54, 61 are electrically connectable in a cordless device 11 regardless of the angular orientation of the pack 13 about casing axis 33. To reduce cost and increase durability, pack 13 has no welded connections and will permit high current discharge rates. Cells 41, 43 are electrically connected but are mechanically disconnected. A spring 73 engages cell 41 and biases cells 41, 43 tightly together in compression to form good, low resistance electrical contact between cells 41, 43, casing base cap 45 and top 53. To provide a pack with two output voltages, the third pack terminal 61 has a polarity (relative to first pack terminal 46) the same as second pack terminal 54 and is electrically connected to the cell can terminal 43b of forward cell 43, thereby electrically by-passing cell 43.