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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7441338 | Clamping device for toolless clamping of a saw blade A clamping device for toolless clamping of saw blades equipped with the clamping shank for a hand machine tool has two clamping parts that are pressable against each other. Each of the clamping parts is provided with a support surface for the clamping shank of a saw... | 10/28/2008 |
| 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 |
| 7257900 | Canted saw blade A saw blade incorporates an integrated cant angle. The saw blade includes a cutting portion having a toothed edge and opposite edge. The toothed edge defines a cutting plane. A shank portion extends from the cutting portion and is laterally offset from the opposite ... | 08/21/2007 |
| 7216873 | Drill chuck A drill chuck has a chuck body centered on and axis, and a tightening element surrounding the body and rotatable thereon about the axis. The tightening element has a front sleeve formed with jaw-holding guides and a rear sleeve releasably coupled with the front slee... | 05/15/2007 |
| 7195247 | Tool joint A joint is disclosed for connecting a handle with various bits. The joint includes an insert fit in the handle, a socket connected with the insert for receiving the bits, a first locking device installed on the socket for locking long bits to the socket and a second... | 03/27/2007 |
| 7175184 | Collect tool holder and method of making same A tool holder for a tool with a recess having detent disposed therein for holding the tool axially, and having a sleeve telescoped over a collet which has flexible fingers and with the sleeve and the fingers having camming surfaces for effecting clamping onto the to... | 02/13/2007 |
| 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 |
| 6979335 | Holder for surgical reamer A tool holder for holding a surgical reamer has a head (8) and a retaining device (14, 15). The head has an axis coincident with the axis of rotation of the reamer. The head is provided with at least one radially extending slot (10) receiving a ... | 12/27/2005 |
| 6966730 | Shank installation structure and cutters A shank attaching structure with as less axial free movement as possible and of a simplified construction, a cutter for use with the shank attaching structure, and a cutter for use with the shank attaching structure which is free from an incident that the cutter bec... | 11/22/2005 |
| 6939213 | Quick change adaptor for rotary machines In one embodiment, the present invention includes an apparatus including an adaptor body having a first end to be coupled to a rotary device and a second end having a tapered portion, and a tool adaptor dimensioned to fit within the tapered portion, the tool adaptor... | 09/06/2005 |
| 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 |
| 6893026 | Blade attaching and detaching mechanism A blade attachment/detachment mechanism for detachably attaching a blade to a saber saw. An end portion of the blade is formed with a blade hole. A reciprocally movable plunger has a blade attachment end portion where a slit and a stepped hole are formed. The slit e... | 05/17/2005 |
| 6840142 | Socket wrench extension A socket wrench extension includes an elongated rod, a drive rod, a steel ball, a control knob, an elastic member, and a magnetic member. The screw member is inserted into the socket, and is attracted by the magnetic force of the magnetic member that is secured on t... | 01/11/2005 |
| 6754967 | Reciprocating saw holder A reciprocating saw includes a saw blade that is connected to a hand held driver for reciprocating the saw blade to perform a cut. A bit holder and a blade holder is used to provide connection between the saw blade and the handle of the hand held driver. The bit hol... | 06/29/2004 |
| 6732617 | Replaceable tool tip A replaceable tip for a tool. A locking pin is disposed on a transverse opening in the end of the tool. A sleeve having a cammed surface formed interiorly is disposed over the end of the tool with the ends of the locking pin contacting the cammed surface. The replac... | 05/11/2004 |
| 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 |
| 6554290 | Tool structure for clamping a tool head quickly A tool structure includes a tool having a rotation shaft formed with a central hole for insertion of the distal end of a tool. The rotation shaft is provided with a cover, and has an outer wall mounted with an elastic member and a drive member. A drive sh... | 04/29/2003 |
| 5934846 | Chuck A chuck capable of rapidly sensing trouble occurring during work is provided. The chuck comprises a base body for rotating with a spindle of a machine tool; a concave hole disposed in a stem of the base body and open at the end surface thereof; a holder i... | 08/10/1999 |
| 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 |
| 5577743 | Quick release chuck device A quick release chuck device includes a body member having an internal bore for receipt of a tool shank. The body member is matable to a drive spindle. A plurality of circumferentially spaced passages are defined in the body member, with each passage defi... | 11/26/1996 |
| 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 |
| 5427482 | Annular cutter connecting apparatus and annular cutter An annular cutter connecting apparatus includes an arbor, annular cutter fixing locking members received in holding holes formed in the lower end portion of the arbor and a sleeve member surrounding the lower end portion of the arbor, for fixing an annula... | 06/27/1995 |
| 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 |
| 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 |
| 5005843 | Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus Chuck mechanisms quickly connect and enable quick disconnection of an impeller shaft of a mixer from the drive shaft of the motor unit. A spindle has a keyway which enables a key, either a detent key which is movable in the keyway or a key which is provid... | 04/09/1991 |
| 4919023 | Quick-change tool adapter A quick-change adapter which allows the precise positioning of a working member such as a tool, a workpiece or the like with respect to a machining device has a precision of one or two ten-thousandths of an inch. The adapter includes first and second hold... | 04/24/1990 |
| 4813829 | Tooling apparatus comprising a holder and tool head releasably mounted thereon A tooling assembly comprises a holder and a tool head releasably mounted thereon. The holder includes a forwardly projecting frusto-conical tongue which is tightly received within a correspondingly shaped socket of the tool holder. An actuator is slidably... | 03/21/1989 |
| 4775269 | Hand held tool with removable chuck In a hand-held tool, such as a power drill, a hammer drill, a powered screwdriver or the like, a chuck is secured on one end of an axially extending rotary spindle by ball-shaped locking members. The chuck has a driver socket which fits on one end of the ... | 10/04/1988 |
| 4767246 | Quick-release tool holding device A quick-release tool holding device as a tool holder formed of a sleeve and a shoulder having an undercut annular tapered surface, with a tool holder retaining head that has a cylindrical bore into which the tool holder sleeve fits, with the tool holder s... | 08/30/1988 |
| 4708548 | Releasable coupling A releasable coupling especially for quick inter-changeable tool mounting purposes comprises a socket member, e.g. for mounting in a machine tool drive spindle and a spigot shown of taper form and received by a corresponding socket in the socket member. T... | 11/24/1987 |
| 4691929 | Drill bit chuck for drilling and cutting devices A tool chuck for securing a tool bit in a drilling and cutting device includes a guide tube into which the tool bit is inserted and an adjusting sleeve displaceable relative to the guide tube. The guide tube has spaced first and second apertures with the ... | 09/08/1987 |
| 4688810 | Support for a chuck A system for holding workpieces during machining providing a plate to which the workpiece can be rigidly secured. The plate, on its rear face, has a central frusto-conical boss which seats into a complementary central recess in a support member. The suppo... | 08/25/1987 |
| 4661009 | Quick change coupling for machine tool arbors and the like A quick change coupling is provided which is suitable for coupling shafts or tubular members to one another and for coupling a machine tool arbor to a shaft. The apparatus includes a shaft provided with a bayonet receptacle defining one or more bayonet sl... | 04/28/1987 |
| 4657427 | System of coupling of the head of a counter-angle to the body of counter-angle System of coupling of the head of a drive unit to the body of a driven unit, characterized in that, the head bears a longitudinal key having two slopes inclined in relation to the axis of the head, and the body has a guiding or key-way groove for this key... | 04/14/1987 |
| 4652187 | Clamping chuck for holding drilling and/or cutting tools A clamping chuck for securing a tool in a drilling device can be used for transmitting rotary and/or percussion motion to the tool. Independently adjustable guide jaws and at least one engaging element are mounted in the chuck. The guide jaws can hold a t... | 03/24/1987 |
| 4626146 | Tool holder for a drilling or a chiseling device A tool holder for securing a drilling or chiseling tool in a device includes a guide tube for receiving the cylindrically shaped shank of the tool. An adjusting sleeve laterally encloses the guide tube and the sleeve is axially and rotatably displaceable ... | 12/02/1986 |
| 4621818 | Hammer drill spindle and chuck assembly The drill chuck comprises a chuck body connected to a drive shaft of a drilling drive device so as to deliver hammer blows to the working tool (e.g. the drill) of a hammer drill and the like, a plurality of clamp jaws which axially guide and hold the dril... | 11/11/1986 |
| 4619566 | Tool support assembly A tool support assembly comprising a rotary spindle which carries a tubular body having a socket therein for the removable accommodation of a coupling member to which any one of a number of tools may be fitted. The coupling member is adapted to be fitted ... | 10/28/1986 |
| 4592560 | Removable tool holder for a hand-held drilling device or the like A hand-held device for use in drilling or the like includes a tool holder mounted on a rotating spindle. The tool holder is secured to the spindle so that there is no relative rotation between them. The tool holder has a support ring for securing locking ... | 06/03/1986 |
