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| Number | Title | Issue Date |
| 7674217 | Machine tool with spindle chuck replacing mechanism The present invention provides a machine tool with a spindle chuck replacing mechanism which is simply configured to enable a reduction in time for work replacement without the need to sense the rotation speed of a spindle chuck or the like. The machine tool include... | 03/09/2010 |
| 7651453 | Automatic chuck jaw change system in combined machining lathe In an automatic chuck jaw change system, a combined machining lathe capable of positioning with high precision and a robot with lower positioning precision than the combined machining lathe cooperate to automatically change a chuck jaw. The system includes a robot d... | 01/26/2010 |
| 7637856 | Machine tool with spindle chuck replacing function An object of the present invention is to provide a machine tool with a spindle chuck replacing function which has a simple configuration and enables a reduction in work replacement time. The machine tool with the spindle chuck replacing function includes a spindle | 12/29/2009 |
| 7419460 | Machine tool with work piece handling arrangement In a machine tool arrangement comprising a machine tool component including a mounting structure for a work piece to be machined by a suitable metal cutting tool, a housing enclosing the machine tool component, a horizontal support beam is disposed above the housing... | 09/02/2008 |
| 7208806 | Micromachined electromechanical device A method for fabricating a MEMS device comprises providing a substrate having a back side, a front side opposite to the back side and a periphery portion. A desired microstructure is formed on the back side of the substrate. The substrate is then supported for rotat... | 04/24/2007 |
| 7131893 | Method for grinding liquid crystal display panel Disclosed is a grinding table apparatus for a liquid crystal display panel and a grinder using the adapt to various sizes of unit liquid crystal display panels for grinding edges of the corresponding liquid crystal display panel by adjusting a variable moving distan... | 11/07/2006 |
| 7112017 | Method and apparatus for machining a blank from all directions In a method of machining a blank from all directions using at least one machine tool, such as a milling machine, production of the ready-to-use, measured component which is controlled and classified with regard to quality, such as a turbine blade, occurs in as few s... | 09/26/2006 |
| 7101268 | Grinding table for liquid crystal display panel and grinder apparatus using the same Disclosed is a grinding table apparatus for a liquid crystal display panel and a grinder using the adapt to various sizes of unit liquid crystal display panels for grinding edges of the corresponding liquid crystal display panel by adjusting a variable moving distan... | 09/05/2006 |
| 5856924 | Processor and method for developing a set of admissible fixture designs for a workpiece Methods and apparatus are provided for developing a complete set of all admissible Type I and Type II fixture designs for a workpiece. The fixture processor generates the set of all admissible designs based on geometric access constraints and expected app... | 01/05/1999 |
| 5816986 | Universal chuck and automated machining system Universal chuck for holding of irregular or regular shaped parts for machine processing such as milling, shaping, grinding and the like. Movable and fixed platens have grid-like patterns including protrusions and spaces into which gripping jaw members, ha... | 10/06/1998 |
| 5401230 | Numerically controlled machine tool and machining method thereof On a frame, a headstock and a tool rest are provided being free to relatively move so as to perform machining operations. The headstock is rotatably provided with spindle. The spindle is provided with a workpiece gripping means. One or more than one bar s... | 03/28/1995 |
| 5317912 | Tire uniformity machine chuck changing system A system for changing the chucks of a tire uniformity machine includes a control which inactivates the main machine hydraulic and electrical system. The control also activates the chuck changing system which includes a small hydraulic power unit and a low... | 06/07/1994 |
| 5310397 | Computerized numerical control automatic complex lathe A computerized numerical control automatic complex lathe has a main spindle for gripping and rotating a work to be machined. A first machining tool performs a main machining of the work. A turret tool rest has an outer peripheral surface for holding a set... | 05/10/1994 |
| 5310396 | Flexible manufacturing system A flexible manufacturing system which includes a stack yard, a machine tool and a stacker crane. In the stack yard, a pallet group, formed by stacking a number of pellets, is stored. The pallet group is transferred to a machine tool cell by the stacker cr... | 05/10/1994 |
| 5088182 | Turret changer A machine tool such as a lathe having an automatically changeable tool turret and a turret changer, carried on the bed of the machine, that dismounts a turret from a spindle of a turret index unit and mounts a replacement turret thereon. Transfer of a tur... | 02/18/1992 |
| 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 |
| 4863324 | Quick change attachment for clamping chucks Quick change attachment for clamping chucks on a machine spindle in which a locking bush (32) is actuated by an axially shiftable locking piston for actuating the chuck clamping, while an adjusting rod (44) adjustable from the clamping cylinder is provide... | 09/05/1989 |
| 4856178 | Machine tool for turning, milling, boring, drilling, and washing with independent means for clamping the part to be machined A machine is accomplished comprising two pairs of operating heads in which each pair includes two identical operating heads essentially opposite to each other equipped with chucks rotating on horizontal axes having at one end a conical housing for receivi... | 08/15/1989 |
| 4821402 | NC lathe with robot for automatically exchanging work and chuck claw An NC lathe with a robot for automatically exchanging works and chuck claws comprising a numerically controlled lathe having a rotatable chuck, a robot disposed in the vicinity of the numerically controlled lathe, and a feeder disposed in the vicinity of ... | 04/18/1989 |
| 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 |
| 4819319 | Power chuck retainer for rotating spindle In the clamping device a clamping head rigidly attached to the rotating spindle is provided between the rotating spindle and the tool holder which has a plurality of adjustable clamping pieces for holding the tool holder on the clamping head. A clamping r... | 04/11/1989 |
| 4777714 | Quick-change mount for chucks A quick-change mount for chucks is incorporated into a rotatable hollow spindle (10) of a machine tool and comprises servo-actuated drive sleeve (32) for power transmission to clamp the chuck (20) to the spindle flange (12). Slidable within the drive slee... | 10/18/1988 |
| 4686757 | Machine tool chuck construction A chuck for machine tools has basic jaws which engage with attachment jaws which are exchangeably retained and can be fed by means of a pallet and attached through a relative rotation mechanism between the jaws, each basic jaw is provided on its face with... | 08/18/1987 |
| 4663823 | Machine tool In a machine tool having a spindle supporting a work holder, means are provided for automatically operating the work holder to grip or release a workpiece and for automatically securing the work holder to the spindle or release it therefrom. Within the sp... | 05/12/1987 |
| 4648170 | Apparatus for changing the top jaws of a chuck An apparatus for rapidly changing the top jaws of a power-operated chuck having several jaws which are movably guided in a radial direction in a chuck body. Each chuck jaw is formed by a base jaw, and by a top jaw which is exchangeably mounted on the base... | 03/10/1987 |
| 4644636 | Device for changing chuck attachment jaws Device for changing the attachment jaws of a chuck provided with main jaws, each of which has two axially aligned bolts for exact positioning of the attachment jaws. These bolts engage and fit into bores in the attachment jaw and guide a locking slide mea... | 02/24/1987 |
| 4641414 | Pallet for seating interchangeable clamping jaws of a chuck In a pallet (31) for the seating of interchangeable clamping jaws (21) lockable to base jaws (4) of a chuck (1) the clamping jaws are inserted, for their retention in radially oriented, open-faced recesses (32) of the pallet (13). In the pallet, on both s... | 02/10/1987 |
| 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 |
| 4563925 | Multispindle-automatic turret lathe Multispindle-automatic turret lathe with a spindle support mounted for rotation about a central indexing axis on a headstock and in which are mounted several workspindles, and with a main driving motor for a drive shaft which is adapted to be drivingly co... | 01/14/1986 |
| 4532692 | Chuck jaw changer for a machine tool A chuck jaw changer is provided for a machine tool such as a numerically controlled lathe (22) for automatically changing the gripping jaws (32) of a quick change chuck (28) on its work spindle (26). The set of gripping jaws of the chuck are replaceably e... | 08/06/1985 |
| 4414733 | Machine tool insert dispenser A rotary magazine holds cutting tool inserts, each having multiple cutting edges. The magazine is rotated to a first station where the inserts are removed, transferred to a machine tool and returned after use. Each unused cutting edge of the inserts is su... | 11/15/1983 |
| 4313252 | Arrangement for automatically changing clamping jaws of the chuck of a machine tool An arrangement for automatically changing clamping jaws of the chuck of a machine tool having a turning carriage and a cross-slide rest. A clamping jaw magazine has guides for the clamping jaws stored therein which may be aligned with the clamping jaw gui... | 02/02/1982 |
| 4100671 | Arrangement for automatically changing the clamping jaws of the chuck of a machine tool A gripping or clamping jaw magazine and a transfer mechanism for transferring sets of jaws of different configuration from the magazine to the chuck and vice versa. The system automatically changes the jaws to accommodate various geometric forms and surfa... | 07/18/1978 |
