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| Number | Title | Issue Date |
| 5322304 | Tool holder-spindle connection A tool holder assembly for connecting a tool to a spindle. The tool holder assembly defines a conical envelope for seating in a conical seat defined by the spindle and an annular clamping surface in surrounding relation to the conical envelope for seating... | 06/21/1994 |
| 5319886 | Tool mounting arrangement The tool mounting arrangement employs a bushing within a recessed end of a shaft. The bushing has three lobes with inclined surfaces which abut against an internal conical wall of an annular mounting portion on the end of the shaft. A threaded screw passe... | 06/14/1994 |
| 5292213 | Coupling device for high-speed rotation A coupling device for high speed rotation applications comprised of a first member about a longitudinal axis having a collar integrally attached to a solid base and a second member about a longitudinal axis having a sleeve which is receivable within the c... | 03/08/1994 |
| 5280671 | Process and device for clamping tools in a clamping chuck The invention indicates a device and a process for clamping tools in a clamping chuck which possesses a shrinkage segment (14) to receive the tool, with a heating apparatus (26), preferably designed as a gas burner, being associated with the shrinkage seg... | 01/25/1994 |
| 5277435 | Standard shank and method for directly locating rotating cutting tools in a machine tool work spindle A cylindrical standard shank is provided for rotating cutting tools for locating a standard shank in a cylindrical location opening, precisely produced with regard to shape and true-running accuracy, in the work spindles of so-called transfer lines or of,... | 01/11/1994 |
| 5259709 | Grooving or threading tool An elongated grooving or threading tool has a cutting section and a rearward cemented carbide section which are held together in axial alignment by a drawbolt which extends through an axially aligned bore in the cutting section and engages the respective ... | 11/09/1993 |
| 5257884 | Device for removably securing a tool to a machine spindle The invention relates to a device for removably securing a tool (12) to the spindle (10) of a machine tool with a fitting aperture (16) concentric with the spindle axis, a fitting pin (18) engaging in the fitting aperture (16), two clamping bolts (26) arr... | 11/02/1993 |
| 5243884 | Tool holder device having screw-operated means for connection and disconnection of two engageable members for attachment and removal of cutting tool A tool holder device including a first and a second member having respectively a projection and a bore which are engageable with each other. The second member has an annular groove which partially defines the bore and is coaxial with the bore. The project... | 09/14/1993 |
| 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 |
| 5215417 | Rotary ring cutter Disclosed herein is a rotary cutter for cutting gears, couplings and the like. The rotary cutter comprises a cutter head having an axis of rotation, a centering disc located adjacent to a side of the cutter head and concentric with the axis and a cutter r... | 06/01/1993 |
| 5209146 | Ball lock apparatus for small diameter toolholders A cutting toolholder assembly for holding a cutting tool used in a material removal operation. The assembly comprises a locking component which contains a bore with at least one recess therein. The assembly also includes a tool holding component with a sh... | 05/11/1993 |
| 5193954 | Universal tool connection A mechanism for clamping a cutting tool holder in a socket formed in an end face of a clamping unit in a cutting machine. An axially movable drawbar has a multiple number of flat surfaces obliquely angled to the drawbar axis for exerting cam forces on ind... | 03/16/1993 |
| 5186476 | Clamping device for gripping a tool in a tool carrier A clamping device for gripping a tool in a carrier. The clamping device has a hollow centering extension or spigot and an abutment surface surrounding it are provided on the tool. A tool receptacle provided in the carrier has a receiving bore matched to t... | 02/16/1993 |
| 5173017 | Apparatus to adapt a toolholder for mounting to a base member An apparatus for adapting toolholders (10) which are specifically designed for use with machine tools having quick change tooling systems so that such toolholders may be used with machine tools not equipped with such systems. The apparatus secures to the ... | 12/22/1992 |
| 5167478 | Tool holder with radial tool change mechanism The present invention is a tool holder which permits lateral insertion and removal of a tool means into and from the holder thereby making it unnecessary to move the machine or work piece to provide excess clearance. The tool holder includes a main body h... | 12/01/1992 |
| 5158408 | Chuck device In a support device to hold a tool or a workpiece, a tightening cylinder is provided at inside with an insertion hole for a substance to be held and on an outer circumference with a taper surface, a rotary cylinder is rotatably and externally fitted to ou... | 10/27/1992 |
| 5158407 | Device for the connection of two tool portions of machine tools A tool head can be connected to a tool holder by an open-ended tension ring provided in a peripheral conical recess of the tool holder. The diameter of the tension ring can be reduced by an actuating device acting tangentially with respect to the tension ... | 10/27/1992 |
| 5152541 | Chuck A chuck for chucking predominantly chip-removing tools, such as milling cutters, drills, countersinks or the like which have a cylindrical shaft and a recessed drive surface on the shaft with stop shoulders in axial direction. A stop member inserted in a ... | 10/06/1992 |
| 5150995 | Coupling for a detachable fixing of components at appropriate carrier members A coupling for a detachable, torsionally and axially rigid fixing of parts, in particular of tool components, at corresponding carrier members, such as a tool base receiver or basic holder. At the carrier member a receiver for a conical or cylindrical cen... | 09/29/1992 |
| 5137402 | Rotary ring cutter Disclosed herein is a rotary cutter for cutting gears, couplings and the like. The rotary cutter comprises a cutter head having an axis of rotation, a centering disc located adjacent to a side of the cutter head and concentric with the axis and a cutter r... | 08/11/1992 |
| 5127780 | Expandable holding device using a fusible alloy An expandable holding device for holding a component in which the clamping force is brought about by the solidification and expansion of a fusible alloy. The alloy is contained in an expansion chamber defined in part by a thin-walled, expansion sleeve. Th... | 07/07/1992 |
| 5125776 | Hydraulic clamping device A hydraulic clamping device for the axial clamping of bodies of rotation, especially tools, onto a revolving mandrel is provided. It has a base body fixed to a mandrel and a rotary piston which is suspended in a floating manner inside the base body and is... | 06/30/1992 |
| 5125777 | Rotary tool A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plu... | 06/30/1992 |
| 5121580 | Jig assembly for a tool support A jig assembly for mounting a tool is disclosed in which the tool is held generally stationary in the jig. The jig assembly is used in a machining process in which the workpiece is mounted at the end of a movable robot arm and is manipulated with respect ... | 06/16/1992 |
| 5118231 | Tool holder An improved tool holder having a body with means for connecting the tool holder to a numerical controlled machine or universal milling and boring machine and for driving the tool holder and means by which machine tools can be connected to the tool holder.... | 06/02/1992 |
| 5110240 | Apparatus for coupling tool holders Apparatus for coupling a tool holder to a machine tool spindle wherein the tool holder is fitted to a coupling interposed between the tool holder and the spindle. The coupling and the tool holder have separable fasteners for separably joining the tool hol... | 05/05/1992 |
| 5096345 | Balanceable holder for machine tools A balanceable tool holder for machine tools includes a main body with a holding cylinder. In addition, a flange encircles the main body. A plurality of screw holes extend longitudinally in the main body in which adjusting screws are moveable inwardly and ... | 03/17/1992 |
| 5088746 | Zero-deflection support chuck A zero-deflection support chuck is provided for gripping a load shaft which includes a stable support body having a bore, a gripping sleeve closely embracing the load shaft and a pressure sleeve within the bore and surrounding the gripping sleeve. The out... | 02/18/1992 |
| 5064322 | Joint for modular toolholder device of a tool machine for the working of metals and other Tool holder connection arrangement for modular tools holder devices of a tool machine for connecting a first hollow element, provided with an internal threading and having a cylindrical axial seat, to a second hollow element provided with a shank insertab... | 11/12/1991 |
| 5061129 | Clamping arrangement for a cutting tool A clamping arrangement is disclosed for an annular milling cutter comprises a receiving flange which has a centering collar concentric with the axis of rotation. With the aid of clamping means the milling cutter is held on the receiving flange and positiv... | 10/29/1991 |
| 5042203 | Abrasive disc exchange apparatus for use in vertical-spindle grinding machine An abrasive disc exchange apparatus for use in a vertical spindle grinding machine includes a cover member surrounding an abrasive disc, and has an opening disposed in a radial direction of the abrasive disc for the passage of the abrasive disc therethrou... | 08/27/1991 |
| 5040932 | Locator mechanism for a tool holder assembly A tool holder assembly includes a first member formed with a cylindrical bore and a second member including a cylindrical portion receivable in the bore of the first member. A locator screw hole extends radially through the first member. The second member... | 08/20/1991 |
| 5033923 | Rotary tool A rotary tool is provided with a shank and a collar-like section, and further includes a plurality of screw-threaded holes drilled in a vertical end face of the collar-like section, in parallel relationships with the axis of the collar-like section. A plu... | 07/23/1991 |
| 5032043 | Spindle adapter for tool holder with tool adjustment control A tool holder and spindle adapter includes a quick change section for securing into a power spindle, a body having an axial bore mounting a positive drive and a collet holder shank to receive a tool holder collet and tool, with the tool extending into ope... | 07/16/1991 |
| 5030047 | Mounting device for conical shank The present invention concerns a mounting device with conical shank, particularly a 7/24ths cone, for cone-to-surface application for attachments, tool holders and tools, essentially constituted by a cone (1) for introduction in the spindle (2), by a fron... | 07/09/1991 |
| 5030048 | Expandable tool holding device using a fusible alloy An expandable tool holding device for holding a tool or workpiece in which the clamping force is brought about by the solidification and expansion of a fusible alloy. The alloy is contained in an expansion chamber defined in part by a thin-walled, expansi... | 07/09/1991 |
| 5026224 | Tool assembly A tool component adapted to be connected to another element of a tool assembly includes a rearwardly facing surface and a truncated conical recess extending rearwardly therefrom. The recess is adapted to receive a correspondingly configured projection of ... | 06/25/1991 |
| 5020946 | Tool chuck coolant system A tool chuck assembly comprising a collet having a bore for supporting a tool, a collet holder having a portion circumscribing the collet, a tension nut cooperatively associated with the collet holder to mount and dismount a tool means defining a coolant ... | 06/04/1991 |
| 5011346 | Mounting device with conical shank The present invention concerns a mounting device with conical shank, particularly a 7/24ths cone, for cone-to-surface application for attachments, toolholders and tools, essentially constituted by a cone (1) for mounting in a spindle (2), by a front part ... | 04/30/1991 |
| 5009555 | Tool holder for machine tool A machine tool has a machine tool body (3), a spindle (1) having a supporting portion (2) and being rotatably supported by the machine tool body (3), and a tool holder (5) having an inserting portion (6) attached to the supporting portion (2). A coating l... | 04/23/1991 |
