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| Number | Title | Issue Date |
| 8172236 | Bit mounting devices A bit mounting device includes a holder that may be mounted to a spindle of the power tool or may be a part of the spindle. A bit push member is disposed within a bit receiving hole that is formed in the holder for receiving a tool bit. The movement of the operation... | 05/08/2012 |
| 8118312 | Quick change centering tool holder A tool-holding system for centering a cutting tool to be utilized by a machine is disclosed herein. The tool-holding system includes a housing defining a tapered recess to be provided to the machine for receiving at least a portion of the tool, a first alignment por... | 02/21/2012 |
| 8113520 | Adapter for a motor-driven machine tool with a rotatably driveable machine tool An adapter (9) for a motor-driven machine tool with a tool to be rotatably driven has positive-fit counterpart pieces (10) on one face (16) which are adapted to positive-fit elements (3) of the tool shaft (1). Multiple axially prot... | 02/14/2012 |
| 8052156 | Bit holder A bit holder includes a shank, and a bit sleeve. The shank has a first end portion of a non-circular geometric equiangular cross-section for combining a hand tool, and a second end portion formed with a combining hole having female threads in its wall. The bit sleev... | 11/08/2011 |
| 7942426 | Pivotal/rigid accessories for power and hand tools A driving tool assembly includes a drive component adapted to be connected to a power tool or hand tool. A driven component is pivotally connected to the drive component and is adapted to receive a tool bit, drill bit, or otherwise provide a nut driver or socket wre... | 05/17/2011 |
| 7922180 | Device for locking and releasing a screw bit A screwdriver bit holder structure, whose holder body has a polygon hole, and inside the polygon hole set an inner spring and a sliding tube. The holder body is clipped by a c-clamp, ahead of which are symmetric front balls and holes, and behind which are symmetric ... | 04/12/2011 |
| 7896357 | Universal tool bit shank A universal tool shank can include an elongate body having first and second portions. The first portion can include at least one flat thereon for engagement with a recess in a first tool. The second portion can include at least one protrusion extending radially outw... | 03/01/2011 |
| 7823890 | Chuck A chuck includes a driving element, a sleeve movably installed on the driving element and a ring fit in the socket. The driving element includes a socket for receiving a bit, a shank extended from and a shoulder formed between the socket and the shank. The sleeve in... | 11/02/2010 |
| 7726664 | Universal tool bit shank A universal tool shank can include an elongate body having first and second portions. The first portion can include at least one flat thereon for engagement with a recess in a first tool. The second portion can include at least one protrusion extending radially outw... | 06/01/2010 |
| 7669860 | Tool retaining or connecting device A tool retaining device includes a housing having an engaging hole and having a chamber for slidably receiving a tool stem, the tool stem includes a socket opening for receiving a tool member which is also slidably engaged in the engaging hole of the housing, for al... | 03/02/2010 |
| 7484736 | Accessory for a rotary tool A rotary tool accessory includes a body defining an axis of rotation and having a work piece contacting surface and a drive portion. The body has defined therein a body opening including a first opening portion and a second opening portion. The rotary tool accessory... | 02/03/2009 |
| 7442128 | Adaptive drive shank for driving a tap tool with a socket and ratchet An adaptive drive shank is provided for adapting a thread cutting tap tool to be driven by a conventional standard size hexagonal socket and ratchet drive. Various embodiments additionally provide color coded cutting thread tap tools adapted to lockably engage with ... | 10/28/2008 |
| 7374377 | Bit holding apparatus for use with a power tool An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool... | 05/20/2008 |
| 7371034 | Drilling attachment A drilling attachment for use in wet and dry drilling operations includes a housing having first and second fluid conduits, and a drive shaft mounted within the housing and having fluid transmitting first and second end portions in fluid communication with a respect... | 05/13/2008 |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7328903 | Chuck A chuck has an attachment device for attaching the chuck to a machine spindle and a collet with clamping jaws defining an insertion opening at an end of the chuck opposite the attachment device. A sliding sleeve surrounds the clamping jaws and is axially moveable in... | 02/12/2008 |
| 7300042 | Radial-type temporary fastener, components and tool A temporary fastener tool (20) for establishing and maintaining compressive alignment between at least two parts, each having an aperture through which the fastener tool is inserted. The tool includes a spindle (120) having a first and second end where... | 11/27/2007 |
| 7232280 | Grout guide attachment A guide attachment for a rotary hand tool is disclosed that comprises a housing, an adapter and a removable base. The attachment is configured to remove grout from between adjacent tiles, such as floor or wall tiles. The housing of the preferred embodiment is config... | 06/19/2007 |
| 7201643 | Handle assembly for tool A power sander (2) having a housing (4) and a motor within the housing is disclosed. A gripping portion adapted to be engaged by a hand of a user of the sander comprises blister packs (30), (36) comprising first and second flexible sheets... | 04/10/2007 |
| 7185569 | Multipurpose folding tool with tool bit holder and blade lock A folding multipurpose hand tool including a pivoted latch that engages side walls of a handle and a base of a folding tool member to hold the folding tool member in a selection position. A separate safety interlock latch keeps a folding blade stowed in a handle whe... | 03/06/2007 |
| 7114728 | Rapid detached connecting device A rapid detached connecting device comprises a rod body having an engaging portion; the rod body having a hollow body; an engaging block installed within the rod body; the engaging block having a stop block; a buckling unit inserted into the engaging portion for lim... | 10/03/2006 |
| 7108465 | Jig plate An end surface 820 of a work 80 gripped by a chuck 50 equipped to a main spindle of a lathe-type machine tool is machined, and at the same time has a screw hole 830 formed thereto. The jig plate 60 is provided with a main body 6... | 09/19/2006 |
| 7062847 | Shrinking arrangement for a tool holder A shrinking arrangement for a tool holder (12) which retains a rotary tool (10) with a press fit in a central accommodating opening (20) comprises an accommodating unit (24) for accommodating the tool holder and a temperature-controlling ... | 06/20/2006 |
| 7052022 | Chuck for pneumatic hammer A chuck for a pneumatic hammer including an insert and a pin engaged with the insert and one or more other components of the chuck, such as, for example, the nosepiece. The pin is configured to prevent or otherwise limit rotation of the insert relative to the one or... | 05/30/2006 |
| 7008151 | Power driver having geared tool holder A power driver includes a motor and a spindle having a distal end thereof opposite the motor. The distal end has an axial bore formed therein. A gear assembly is disposed operatively between the motor and the spindle so that the motor rotationally drives the spindle... | 03/07/2006 |
| 6935636 | Arrangement for the detachable mounting of a rotatable tool on a drive shaft Rotatable tool coupled to support body, and drive shaft detachably mounted to rotatable tool, such that rotatable tool is drivable in a working direction, in which support body includes an inlet opening defined by at least three eccentric segments and drive shaft in... | 08/30/2005 |
| 6712368 | Quick attachment release system for a rotary hand tool A quick release attachment tool where the rotary tool has a housing which encloses a motor with the housing having a central axis, a non-operational end portion and an operational end portion. A nose portion is formed at the operational end portion, and the nose por... | 03/30/2004 |
| 6705807 | Hole saw and connection method The hole saw assembly provides a structure and method for efficiently and securely connecting a hole saw to an arbor and easily connecting a pilot bit to the arbor. The arbor has a shank opposite the coupling end and a receiving slot proximate to the coupling end. T... | 03/16/2004 |
| 6688611 | Removable chuck 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, has at least one biased blade, in a non-biased condit... | 02/10/2004 |
| 6640679 | Collet adapter chuck assembly with axially fixed collet head A collet chuck assembly for an axially fixed collet head. The collet head is fixedly and removably mounted in a threaded bushing to prevent axial motion, and is keyed into place to prevent rotation. A sleeve assembly has cam surfaces adapted to engage the... | 11/04/2003 |
| 6609862 | Tool bit A drill bit has a chuck engaging shank portion having a geometric cross-sectional shape; a plurality of projections formed on at least a part of at least one of said surfaces; said projections (a) varying in height across said surface, and (b) engaging an... | 08/26/2003 |
| 6554288 | Collet adapter An adapter for facilitating use of a bullnose mounting fixture on the spindle of a unit of machining equipment with a collet having a collet head larger than the bullnose bore includes a collet-receiving component disposed symmetrically about an adapter r... | 04/29/2003 |
| 6550786 | Removable chuck 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, a biasing member in a non-biasing condition, retains ... | 04/22/2003 |
| 6511268 | Tool device with reversible drill bit/screw bit A tool holder comprising an elongated connector means having a first end and a second end, where the elongated connector means has a central longitudinal hole, of a cross-section corresponding to a cross-section of a mounting portion of the tool bit, at t... | 01/28/2003 |
| 6398465 | Installation jig for locksets An installation jig includes a pair of jaws and a latch guide coupled together by an adjusting mechanism. The jig includes a pair of backset spacers mounted to the latch guide rotational movement between a first backset position and a second backset posit... | 06/04/2002 |
| 6378877 | Apparatus for clamping a work piece The apparatus comprises a chuck member to be mounted within the operating area of the machine tool and a work piece carrier that can be put onto the chuck member and clamped thereto. First positioning members provided on the chuck member and second positi... | 04/30/2002 |
| 6367814 | Apparatus for clamping a work piece The apparatus for clamping a work piece in a well defined position within the operating area of a machine tool comprises a chuck member to be mounted within the operating area of the machine tool and a work piece carrier that can be put onto the chuck mem... | 04/09/2002 |
| 6357974 | Quick release drill chuck A mechanism for engaging a chuck to a chuck body includes a bore within the chuck body having first and second opposed channels in communication therewith. A shaft extending from the chuck is configured for seating in the bore and includes two opposed van... | 03/19/2002 |
| 6349948 | Universal bit adapter A universal bit adapter includes: an adapting member clamped in a chuck or spindle of a tool having a shank hole longitudinally formed in the adapting member for inserting a tool bit into the shank hole; a sleeve coupled to a front portion of the adapting... | 02/26/2002 |
| 6302409 | Elements for a magnetic tool holder system A quick-connect tool change system for hand drills comprising a) a first, two ended, magnetic bit holder element fitting a chuck, b) at least one second working tool element slidingly fitting over the first bit holder element and having retaining means, The first b... | 10/16/2001 |
