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| Number | Title | Issue Date |
| 8181973 | Clamping apparatus for a reciprocating tool Embodiments are disclosed for a tool-less clamping apparatus for a reciprocating tool having a reciprocating spindle having a center axis and at least one radially oriented aperture and a receiving slot at its forward end for receiving a tool accessory, the apparatu... | 05/22/2012 |
| 8020876 | Tool having clamping chuck A tool includes a shank having an engaging hole for receiving one end of a tool member and having a number of orifices for receiving detents, a control ferrule rotatably engaged onto the shank and having a number of notches each of which includes a deeper portion fo... | 09/20/2011 |
| 7871080 | Tool-less blade clamping apparatus for a reciprocating tool Several preferred embodiments are disclosed for a tool-less blade clamping apparatus for a reciprocating tool of the type which has a reciprocating plunger which has a tool attachment receiving slot for receiving a tool attachment of the type that has a shank portio... | 01/18/2011 |
| 7338051 | Tool holder for a rotary hammer A tool holder (1) for a rotary hammer which has a tube like tool holder main body (10) having a side wall formed with through holes (11) for receiving corresponding locking bodies (12) and formed with additional through holes (40).... | 03/04/2008 |
| 7325811 | Chuck A chuck (2) for a hand-held power tool (4), which is connected with a motor-driven spindle (6) of the power tool for joint rotation therewith, includes a locking device for securing a shaft section of an exchangeable working tool and having a ci... | 02/05/2008 |
| 7296804 | Hand-held instrument holder for surgical use A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular... | 11/20/2007 |
| 7284761 | Bit stop for drill chuck A tool bit stop located on an inner surface of a clamping jaw of a drill chuck. The tool bit stop is located a distance from a jaw gripping surface of the clamping jaw. The tool bit stop is adapted to provide a surface to register an end of a tool bit in a consisten... | 10/23/2007 |
| 7282017 | Tool-switching device Tool-switching device for a machine for measuring coordinates wherein the tool is fastened on the tool-carrier and held by the action of elements exerting an axial force. The locking force is taken over symmetrically by the elements of a Boys connection, which incre... | 10/16/2007 |
| 7261021 | Adjustable socket An adjustable socket having first and second jaw members having manually selectable sizes. An exterior drive unit and a moveable inner driver unit each having serrated interlocking teeth are positioned to either engage during wrenching, or to be disengaged for socke... | 08/28/2007 |
| 7251897 | Blade clamping device The present invention relates to a quick-change saw blade clamping device which includes an output shaft, a cylindrical rotatable sleeve and a torsion spring. The output shaft is coupled to a blade carrier which is disposed within the cylindrical rotatable sleeve. A... | 08/07/2007 |
| 7237990 | Surgical tool system with quick release coupling assembly A surgical tool system with a handpiece and a cutting accessory that has inner and outer hubs. The handpiece has a spring biased lock ring that abuts a complementary stop member integral with the accessory outer hub to hold the accessory to the handpiece. An RFID ch... | 07/03/2007 |
| 7160065 | Chuck with quick change A chuck includes a generally cylindrical body and a plurality of jaws reciprocally disposed in the body in communication with a central bore in the body. A first detent extends radially into the central bore and is releasable in a radially outward direction. Upon in... | 01/09/2007 |
| 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 |
| 7107690 | Electric cutting tool An electric cutting tool has a body, a chuck at an end of the body for attaching a cutting implement having a rear end including a recess, and a drive mechanism for driving the chuck to slide in reciprocation for operating the cutting implement. The chuck has a gap ... | 09/19/2006 |
| 7040023 | Toolless blade holder for a reciprocating tool A reciprocating saw is provided having a motor oriented within a housing for operably driving a saw bar and blade holder in a reciprocating motion. The blade holder has a longitudinal slot for receiving a saw blade, and a transverse aperture extending into the longi... | 05/09/2006 |
| 7032287 | Edge grip chuck An actuated edge grip chuck includes tabs with raised portions that press against the side of a substrate as opposed clamping on the top or bottom surfaces. The edge grip chuck includes a solid-state actuator to move a moveable tab into an open position. The solid-s... | 04/25/2006 |
| 7028786 | Hand machine tool A hand power tool has a housing (10), a hammer barrel (12), a tool receptacle (14) that is separated from the hammer barrel (12) at least one locking body (16) for fixing the tool receptacle (14) in a direction of rotation (... | 04/18/2006 |
| 6932358 | Quick change endform tool cartridge A quick change tool cartridge for high production endform machines having a plurality of work stations mounted upon an indexable rotary head. The tool cartridge system is mounted upon the tool support by quick connect radially movable elements or pins radially displ... | 08/23/2005 |
| 6851194 | Reciprocating saw having a blade holding device A reciprocating saw includes a main body, a blade holding device mounted on the main body, and a blade detachably mounted on the support seat of the main body by the blade holding device. The blade holding device includes a bushing, a slide, a sleeve, a positioning ... | 02/08/2005 |
| 6811160 | Tool-holder fixture An improved tool-holder fixture, more specifically for tool holders, pincer holders and mill holders, designed for the mounting and dismounting thereof, which comprises a cage body (1) constituting the main support body for a needle bearing (2), a cove... | 11/02/2004 |
| 6726222 | Drill chuck for smooth- and hex-shank bits A drill chuck has a chuck body centered on an axis and forming an axially forwardly open bit-receiving recess, an axially forwardly open polygonal-section seat at a base of the recess, and a plurality of jaws spaced angularly around the seat. The jaws can be displac... | 04/27/2004 |
| 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 |
| 6623015 | Clamping chuck A clamping chuck having a central receptacle and a disk arranged around the receptacle and which may be moved from a clamping position, whereby a draw bar inserted into the receptacle is clamped, to a releasing position wherein a draw bar is released from... | 09/23/2003 |
| 6588993 | Cutting tool, tool holder and tool assembly A tool holder holds a shank of a cutter tool. The tool holder comprises a supporting cylinder. An operation body moves between a locking position and an unlocking position A locking member is supported by the supporting cylinder. The locking member moves ... | 07/08/2003 |
| 6536782 | Quick-release drill chuck A chuck has a body centered on an axis and formed with a rearwardly open bore adapted to fit with a drive spindle. Respective jaws are displaceable in angled guides of the body and a ring rotatable on the body has an internal screwthread meshing with the ... | 03/25/2003 |
| 6209208 | Keyless blade clamp mechanism A reciprocating tool (e.g., a reciprocating saw) comprising a housing, a spindle mounted for reciprocating movement within the housing and having an end adapted to receive a saw blade, and a blade clamp mechanism connected to the spindle and adapted to at... | 04/03/2001 |
| 6193242 | Snap-in chuck assembly and snap-in tool The elongate rod shaped non-impact and non percussion drilling tool comprises: a non-impact and non-percussion drilling tool or implement formation at an outer end of the shank, a portion of the shank having a polygonal cross section at a location on the ... | 02/27/2001 |
| 6135462 | Snap-in chuck The chuck assembly comprises: a chuck body having an outer end portion, an outer periphery and a central axial bore extending at least part way therethrough; a nose collar mounted on the outer end portion of the chuck body; structure for mounting the chuc... | 10/24/2000 |
| 6092814 | Tool holder for inserted tools in drilling and/or hammering machines A tool holder (10) is proposed for tools inserted into machines for drilling and/or percussion operation having means for rotational driving and axial locking of a tool shank which can be inserted into a tool receptacle (11) of the respective machine, whe... | 07/25/2000 |
| 6000300 | Adjustable socket wrench An adjustable socket wrench has only two components, namely, a collet driver with movable jaws and a circumscribing adjustable sleeve. Positive detent positioning of the fastener engaging jaws is obtained by rotation of the adjusting sleeve which radially... | 12/14/1999 |
| 5768961 | Self-adjusting socket for a wrench handle A self-adjusting socket (14) for a wrench handle (16) having a drive end (18) with a ratchet reverse lever (20) and a square peg (21). The socket (14) comprises a cylindrical wall (22). A component (24) is rotatively carried in a top end (26) of the cylin... | 06/23/1998 |
| 5575071 | Toolless quickchange blade clamp for reciprocating saws A clamping system for attaching a saw blade to a blade carrier of a reciprocating saw includes a clamp member having a tubular body and a hollow interior. The clamp member is mounted on the free end of a blade carrier which has a longitudinal slot for rec... | 11/19/1996 |
| 5531549 | Auto-lock drill chuck A keyless chuck assembly for a hand-held drill includes a housing, three jaws for gripping a drill which is to be turned by the drill chuck assembly. The jaws are retained in the assembly and confined to radial motion with respect to the drive shaft by me... | 07/02/1996 |
| 5315902 | Stud removing tool An improved stud removal tool comprises a cylindrical socket having an open end communicating with a coaxial cavity and a shank extending coaxially adjacent the socket opposite the open end, the shank terminating opposite the socket in an anvil end adapte... | 05/31/1994 |
| 5251515 | Break-out device for studs A device for gripping a stud to unscrew the stud includes a tubular housing. The housing has an axial bore with a plurality of cam surfaces formed in the bore. A cage is carried in the bore. The cage has a number of windows, each located adjacent one of t... | 10/12/1993 |
| 5192087 | Device for supporting a wafer A device for supporting a wafer comprises a base plate for arranging the wafer thereabove and a plurality of supports circumferentially arranged on the base plate to support the peripheral of the wafer. In order to expose portions of the wafer covered by ... | 03/09/1993 |
| 5152195 | Break-out device for studs A device for gripping a stud to unscrew the stud includes a tubular housing. The housing has an axial bore with a plurality of cam surfaces formed in the bore. A cage is carried in the bore. The cage has a number of windows, each located adjacent one of t... | 10/06/1992 |
| 5090275 | Retainer apparatus for a wrench unit A retainer apparatus is used to releasably retain a socket wrench member on the plug of the driving head of a rotary lever. The retainer apparatus includes a connecting rod, a control rod and a sleeving ring. The connecting rod has an bore formed in an en... | 02/25/1992 |
| 5027926 | Slip assembly An hydraulically operated slip assembly useful to grip pipe being run into or pulled from a well. This assembly has upper and lower plates, each having a passage for pipe. Wedges, carrying unique slip systems are positioned around the passages between the... | 07/02/1991 |
| 5009440 | Tool chuck for tool bits A tool chuck for holding axially extending the shank end of a tool bit includes a guide tube with an adapter sleeve encircling and being rotatable relative to the guide tube for securing holding segments in engagement with the tool bit. The holding segmen... | 04/23/1991 |
