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| Number | Title | Issue Date |
| 6799919 | Coupling with enhanced concentricity maintainability and torque handling capability A coupling for torque transmitting devices is disclosed. The coupling employs polygonally shaped first and second ends having retaining balls held within each of the corners of the polygon. Pin cones are provided in each of the first and second ends. Actuation of a ... | 10/05/2004 |
| 6506143 | Apparatus for finishing inside diameter of work In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo... | 01/14/2003 |
| 6494401 | Arbor for securing reels on a shaft An arbor for temporarily securing a reel to the shaft of a machine such as an unwind machine. A plurality of blades are extendable and retractable from a cylindrical body by means of an axially shiftable cam assembly. The cam assembly shifts in response t... | 12/17/2002 |
| 6343903 | Tool holder of hollow taper shank in tool machine A tool holder of the hollow taper shank in a tool machine is disclosed. A resisting block supported by a spring is received within a tool holder. As the short knife is disposed within the tool holder, the elastic force of the spring can be overcome. At fi... | 02/05/2002 |
| 6003416 | Tool holding device A tool holding device comprising a tool pot in which an interchangeable tool is releasably fitted and removed, a ball holder firmly fitted in the tool pot and having a guide surface around which a shank portion of the tool is releasably fitted for radiall... | 12/21/1999 |
| 5997011 | Retaining device, in particular for a workpiece A retaining device has clamping elements arranged on a housing that act as detachable locking elements and can be radially displaced when a pressure member located in the housing is axially displaced. First and second pressure media can act upon the press... | 12/07/1999 |
| 5697740 | Chucking fixture for connecting a tool head and a tool holder to machine tools A clamping device for connecting a toolhead and a toolholder on machine tools using a cylindrical or at least partly conical location hole with corresponding shank, wherein a rotatable clamping bolt with spiral guides is used, in clamping to move clamping... | 12/16/1997 |
| 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 |
| 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 |
| 5137287 | Pivoted chucking jaws with low friction rollers A chuck jaw is provided having a pivotally mounted gripper mounted to the base jaw. Each end of the gripper serves as a chuck point, so that a three-jaw chuck can be used to provide six chuck points. Preferably, rollers are provided at each chuck point of... | 08/11/1992 |
| 4958839 | Disc clamp employing resilient cone for spreading balls A ball-type clamping mechanism for clamping computer hard disks in a disk tester for accurate measuring of the disk's parameters comprises a cup-shaped support (10) which is installed on a rotating part of the tester and serves to support a computer hard ... | 09/25/1990 |
| 4897014 | Device for interchange of tools A device for interchanging tools on a mechanical manipulator arm includes a male locking cone unit, a female receptacle cone unit and a motor unit. The male locking cone unit has 3, 6 or 12 equal size balls captured in a male conical cage to extend throug... | 01/30/1990 |
| 4863323 | Changing and chucking tool An apparatus to change and chuck a tool head incorporates a chucking system that is arranged in a recess in the drive spindle that chucks a tool-head shank that can be inserted into the accommodating opening. The chucking system incorporates a grip with a... | 09/05/1989 |
| 4723877 | Toolholder The invention relates to a toolholder for holding a tool at one end and having a tubular shank at its other end for mounting it into the bore of a support member. The shank has at least two circumferentially spaced perforations in its tubular wall. Each o... | 02/09/1988 |
| 4720114 | Roller mandrell chuck This invention relates to a ball-type chucking mandrel having several chucking balls that are arranged in an evenly distributed manner in the chucking area. These chucking balls are held in a uniform axial position by means of a contact shoulder. In addit... | 01/19/1988 |
| 4432506 | Reel and hub lock for tape drives A mechanism for centering and locking a tape reel or a tape hub on a drive shaft in a tape drive. A mechanism which can be actuated manually to lock a reel or hub in place and to unlock the reel or hub and also which will automatically lock the reel or hu... | 02/21/1984 |
| 4350463 | Arrangement for mounting a cutter An arrangement and method for mounting a cutter body, especially a milling cutter, in which the cutter and power driven spindle have a common axis of rotation. An arbor shank is used to interconnect the cutter with the spindle with one end of the shank ma... | 09/21/1982 |
| 4322190 | Mounting device for machining tools A mounting device for machining tools, preferably milling cutters, which are secured to the mounting device (11, 30) by means of a connecting means (12). For making possible a rapid exchange of machining tools (10), such as milling cutters having differen... | 03/30/1982 |
| 4057905 | Device for the securement of a sighting instrument within the bore of a shotgun The following disclosure relates to a device for the securement of a sighting instrument within the bore of a shotgun in which the present device comprises: a main shaft; means for a spring-biased reciprocal movement which is axially secured about said sh... | 11/15/1977 |
