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| Number | Title | Issue Date |
| 5160150 | Chuck A chuck for a machine tool is provided and includes a chuck body that is provided with a frusto-conical opening that has guide surfaces. A clamping head is adapted to be received in the opening of the chuck body, with the clamping head having an axially e... | 11/03/1992 |
| 5139277 | Rapidly convertible chuck adapters A chuck having a sliding outer jaw is locked against any adjustment in radial position relative to the inner jaw on which it is moved radially by a radially movable pin which, in one radial position, prevents axial retraction of the post interconnecting i... | 08/18/1992 |
| 5133565 | Expanding collet A collet chuck with a collet body having radially extending clamping parts with counter guiding surfaces that are cooperating with the guiding surfaces of a corresponding mandrel is provided. The guiding surfaces are formed as planar sections of the mandr... | 07/28/1992 |
| 5087059 | Tool for installing or removing a collet head A tool for installing or removing a collet head, which has a plurality of spring loaded collet segments, from a collet body, comprises a body having an axis, a base and a skirt extending from the base. A member is operably secured to the body and axially ... | 02/11/1992 |
| 5033183 | Chuck jaw changer for a machine tool A chuck jaw changer for a machine tool has a jaw changing arm which is swingable about a vertical rotating shaft. The two ends of the arm have elongated magazine holders extending transversely to the length of the arm. The magazine holder has a guide groo... | 07/23/1991 |
| 5005279 | Collet insertion and removal device and method A device is provided for inserting and removing a collet into and from a collet chuck of a lathe. The collet includes a plurality of fingers which are separated by slots. The device comprises a handle portion and a plurality of blades attached to the hand... | 04/09/1991 |
| 4858938 | Two piece collet with interlocking collet segments A collet head for securing to a collet body for machine tools has a plurality of spaced segments arranged in a circular configuration having spaced slots between each segment. Each segment has a front face, a rear face, an inside work gripping surface, an... | 08/22/1989 |
| 4856797 | Chuck for gripping a workpiece A chuck comprising a chuck body having guide surfaces, preferably in the form of the surface area of a hollow cone, is provided. Chuck jaws having a correspondingly conical guide surface rest against the surface of the chuck body and are secured to one an... | 08/15/1989 |
| 4821401 | Quick change collet and removal tool A workpiece holding collet is provided with at least one tool receiving aperture located in each collet segment. A changing tool having mating fingers is inserted into the collet, when it is in its compressed condition in a chuck. The chuck is then opened... | 04/18/1989 |
| 4768269 | Quick change collet and removal tool A workpiece holding collet is provided with at least one tool receiving aperture located in each collet segment. A changing tool having mating fingers is inserted into the collet, when it is in its compressed condition in a chuck. The chuck is then opened... | 09/06/1988 |
| 4690416 | Power chuck The jaws of the chuck include a base jaw and a separate, releasable mounting jaw. These two jaw components are connected by at least one shaft which is guided with male-type screw threads in its one end in female-type screw threads of the base jaw. The ot... | 09/01/1987 |
| 4617721 | Jaw changing apparatus An apparatus is provided which enables the jaws of a chuck 10 to be removed from and inserted into jaw-ways 12, 13, 14 using a conventional workpiece handler, rather than a sophisticated and highly accurate dedicated jaw handling mechanism. A conventional... | 10/21/1986 |
| 4587708 | Chuck jaw changer for a machine tool A chuck jaw changer is disclosed as mounted on the headstock (24) of an N/C lathe (22) for automatically changing the set of gripping jaws (32) of a quick change chuck (28) on a work spindle (26) with any of other interchangeable sets of gripping jaws (32... | 05/13/1986 |
| 4489525 | Replaceable spindle lock system A replaceable spindle locking system for a power tool enables an operator to replace a lock member without disassembling the tool. An externally-accessible retaining member, such as a washer, is trapped between a ledge located in a housing recess and a sh... | 12/25/1984 |
| 4214766 | Collet A collet, comprising a clamping head having a front side, having interior gripping surfaces in a longitudinal zone of the clamping head for gripping a workpiece, and having an exterior surface in the form of a frustum located at least partially in the sam... | 07/29/1980 |
