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| Number | Title | Issue Date |
| 8061718 | Toolless bitholder for spiral saws A bit holder for a rotary tool is disclosed herein. In one embodiment, the bit holder comprises a drive shaft with an elongated bit channel configured to receive a tool bit for the rotary tool. A cavity is provided in a peripheral wall of the drive shaft. The cavity... | 11/22/2011 |
| 7506876 | Quick-change, tool-less collet/chuck system A quick-change system for changing a collet or bit on a tool has a base member to be attached to the body of the tool, an input member to be selectively latched to or unlatched from the tool body, an output member coupled to the input member via a torque multiplicat... | 03/24/2009 |
| 7334970 | Fast change bit holder device A method and apparatus for forming apertures and inserting fasteners in a workpiece is disclosed. One embodiment relates generally to a bit holder device for forming apertures and inserting fasteners into a workpiece. This embodiment comprises a tool bit, a hex hold... | 02/26/2008 |
| 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 |
| 7293944 | Power tool with tool bit holder operator A power tool having a body, a tool bit holder protruding from the tool body for holding and rotating a tool bit about an axis of rotation, and an operator for operating the bit holder. The operator includes an annular member rotationally engageable with the bit hold... | 11/13/2007 |
| 7278196 | Interlocking tool holder An end mill chucking structure for chucking an end mill. The chucking structure includes an end mill holder; a shank receivable in an axial opening in the holder; a cone having an exterior cone shape adapted to be received in a drive spindle and an axial opening tha... | 10/09/2007 |
| 7264429 | Tool free collet assembly A collet assembly, for selectively attaching a tool accessory to a tool, having a collet nut rotatably connectable to the tool, a collet compressible by the collet nut, and a torque application feature movably connected with the tool. The torque application feature ... | 09/04/2007 |
| 7261302 | Collet and lock nut assembly A collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a plu... | 08/28/2007 |
| 7249540 | Connector adapter An adapter for installing a connector to a terminal post, wherein the connector is attached to a cable, is presented. In an embodiment, the adapter is comprised of an elongated collet member having a longitudinal axis comprised of a first collet member end, a second... | 07/31/2007 |
| 7237987 | Reversible drill and drive tool A tool adapted to be coupled to a power drill includes a multi-component bit mounted to reverse positions so that in one position its drill element drills a hole and in another position its driver element drives in a fastener. ... | 07/03/2007 |
| 7201087 | Multi-functional tool head A multi-functional tool head comprises a supporting unit having a polygonal shape; an end of the supporting unit being installed with a receiving seat recess for receiving an opener head; a penetrating hole being formed in the annular trench; the penetrating hole be... | 04/10/2007 |
| 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 |
| 7097398 | Multi-functional bit & connect-disconnect coupling used therewith A tool employs a connect-disconnect coupling for a power drill to hold a multi-functional bit having at its one end a drill element adapted to form a hole and a countersink and at its other end a driver element to drive a screw or other type of fastener. ... | 08/29/2006 |
| 7033367 | Slotted catheter guide for perpendicular insertion into a cranium orifice A catheter guide for controlling an angle of entry of a catheter into a human cranium at an angle of 90 degrees to the surface and allowing for easy removable of the catheter guide from the catheter after use. A tubular member defines a catheter guide lumen to permi... | 04/25/2006 |
| 7029274 | Rotary float A rotary float includes an elongated tubular arm with a drive shaft rotatably mounted therethrough. A drive unit is coupled to a rearward end of the shaft to rotate the shaft. A swivel on the forward end of the drive shaft connects the drive shaft to a collet shaft ... | 04/18/2006 |
| 6949104 | Guide wire steering handle A guidewire steering device includes a gripping member and a compression member. The gripping member includes opposed first and second gripping surfaces positioned for selective engagement of a guidewire positioned therebetween. The first gripping surface includes a... | 09/27/2005 |
| 6945145 | Quick action tap wrench A quick action, cam operated hand tool holder, such as a tap wrench. The cam is moveable between at least one released and one locked positions, preferably by a conventional T-handle. A third position may also be provided which may be either a second locked or a sec... | 09/20/2005 |
| 6932357 | Gear reducing collet nut assembly A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear syste... | 08/23/2005 |
| 6923451 | Tool holder In order to provide a tool holder which greatly reduces frictional resistance between a locknut and a taper collet, and eliminates a twisting of the taper collet during tightening of the locknut, in a tool holder comprising a locknut 13 which pushes a taper c... | 08/02/2005 |
| 6913429 | Tooless bit retaining assembly A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torqu... | 07/05/2005 |
| 6908085 | Rotating tool chucking device A Chucking device comprising a collet with an external taper and a collet holder with a taper socket for the chucking of a rotating part, wherein the taper socket of the collet holder and the external taper of the collet have a taper angle which is smaller than the ... | 06/21/2005 |
| 6905278 | Connection point A connection point (1) between two tool parts is proposed which are joined by means of a threaded spindle (7) oriented in longitudinal direction of the tool parts. The threaded spindle has two oppositely threaded sections (13, 15) which interact... | 06/14/2005 |
| 6886835 | Clamp nut and collet chuck The present invention enhances the lubricating property of the sliding surfaces of a clamp nut and a collet, reduces a friction coefficient, prevents the occurrence of seizure, and enhances durability. Accordingly, it is possible to rotate the clamp nut and the coll... | 05/03/2005 |
| 6860889 | Clamping screw extractor A tool for gripping and removing mechanical fasteners such as pedicle screws. With reference to FIG. 7, the device generally resembles a screwdriver, having a handle on one end, a long shaft in the middle, and fastener engaging means on the other end. The fas... | 03/01/2005 |
| 6634651 | Compensated tool holder for tapping spindles A tool holder for tapping spindles includes a coaxial body (5) composed of an upper hollow half-pin (6) and a lower hollow half-pin (9) which engage mutually and coaxially through a conic semielastic coupling (190) associated with a sequential threaded co... | 10/21/2003 |
| 6533772 | Guide wire torque device A guide wire torque device has an elongate tubular body with interior long axial channel and a rotary clamp wheel for gripping and ungripping a guide wire extending through the channel. The clamp wheel is accommodated within an integral enlargement of the... | 03/18/2003 |
| 5938212 | Holder for non-locking bit in a locking bit chuck An adaptive holder for interconnecting a non-locking bit shaft in a locking bit chuck provides an elongate body having a locking bit shaft at a first end and a chuck connector at the second end. The locking bit shaft is of hexagonal cross-section with an ... | 08/17/1999 |
| 5915896 | Adjustable machine tool assembly High speed machining of parts is greatly enhanced when the axial alignment between the machining tool, its tool holder assembly, and a tool driver assembly can be precisely maintained, preferably within about one ten thousandths of an inch, in order to ac... | 06/29/1999 |
| 5911421 | Sealed collet having improved radial flexibility for facilitating removal from a locknut A sealed collet having improved radial flexibility is provided for facilitating removal from a locknut of a chuck assembly. The sealed collet includes a collet body formed from a tubular configuration of elongated gripping fingers separated by elongated s... | 06/15/1999 |
| 5788248 | Collet chuck device A quick release chuck device includes a body member and a device for attaching the body member to a drive spindle. A chamber in the body member receives a conventional collet. Thread grooves are defined on the outer circumferential surface of the body mem... | 08/04/1998 |
| 5782591 | Universal tool holding device for use with a power-driven, rotatable spindle machine An apparatus and method for securely, mechanically retaining an elongated tool holding arbor in the tapered bore formed in the spindle of a conventional, rotatable, power driven spindle machine. The arbor is mechanically secured to the spindle by bridging... | 07/21/1998 |
| 5460388 | Endmill adapter with torque reducing locknut and collet interface A toolholder 1 of the type including a collet 5 integrally formed with a shank 3 is provided with an interface between a locknut 7 and collet 13 which substantially reduces the torque required to turn the locknut 7 into a position which radially collapses... | 10/24/1995 |
| 5439005 | Surgical instrument with telescoping sleeve A surgical instrument has a motor including a chuck for releasably receiving a dissecting tool for rotation about an axis of the surgical instrument. The dissecting tool has a cutting end and a shaft and the surgical instrument is provided with a base rel... | 08/08/1995 |
| 5368421 | Tool holder and a tool therefor The tool holder is arranged to receive a tapered tool shank. The collet has a shank engaging surface which, in use, lies substantially on the surface of a notional cone which tapers in the direction of withdrawal of the shank from the tool holder.... | 11/29/1994 |
| 5234296 | Endmill adapter with integral collet The present invention is a tool holder for receiving an endmill or similar tool. The tool holder includes a shank portion adapted to fit into the spindle of a machine, and a closed end collet integrally formed with the shank portion. The collet includes a... | 08/10/1993 |
| 5167476 | Collet and tool assembly A collet and tool assembly for rotatable tools such as drills and taps in which the collet and tool each include mating: a) stops for limiting entrance of the tool into the holder; b) matching detents for producing an audible click when the tool is properly pl... | 12/01/1992 |
| 5137288 | Side loading wire grip A wire gripping handle for attaching to and detaching from wires defines a first tubular member, and a second tubular member which receives the first tubular member in generally coaxial relation. Both tubular members define a longitudinal slot so that, wh... | 08/11/1992 |
| 5052250 | Starter plug A spark plug starter tool is provided and consists of a spark plug engaging member attached to distal end of an elongated flexible shaft affixed onto a dowel pin extending from a handle whereby turning of the handle will install and remove a spark plug wi... | 10/01/1991 |
| 4989887 | Methods and apparatus for adjusting the center of a collet The center of a collet having a plurality of individual gripper members resiliently spaced apart in an annular array and operated on by a frustoconical surface can be adjusted by displacing some of the gripper members more than others of said gripper memb... | 02/05/1991 |
| 4941246 | Rasping device The improved rasping device can be either a rasp or file and includes an elongated blade with a plurality of rasping protrusions on the middle portion thereof and with an integral narrow tang extending rearwardly thereof along the longitudinal midline the... | 07/17/1990 |
