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| Number | Title | Issue Date |
| 7175579 | Machine tool with gripper and/or tool magazine system A tool magazine system and a gripper for a machining spindle. The gripper is fed to the tool laterally with respect to the rotational or longitudinal axes of the tool, particularly substantially at right angles to the axis, and should grasp the tool. ... | 02/13/2007 |
| 6773382 | Automatic tool-exchanging apparatus An automatic tool-exchanging apparatus is provided which extends/contracts an arm with a rational and simple structure and can realize a high-speed operation essentially obtainable by making the arm's turning radius small. The apparatus comprises: an arm-driving sha... | 08/10/2004 |
| 5908374 | Tool changer for machine tool A tool changer for a machine tool includes an arm support disposed between a spindle head and a tool magazine to be reciprocally moved along the spindle relative to the spindle, a pair of tool changing arms mounted for rocking motion on support shafts fur... | 06/01/1999 |
| 5782151 | Workpiece transfer apparatus An apparatus for transferring workpieces to and from the chuck of a machine tool. A gripper arm is mounted to the machine frame for selectively axial and rotational movement on a shaft having helical and longitudinal threads on the surface thereof. A firs... | 07/21/1998 |
| 5129140 | Cutter exchanging apparatus incorporated in a machine A cutter exchanging apparatus includes a cam mechanism mounted on a driving shaft of the apparatus. The cam mechanism includes a cylindrical roller and a plate attached together. The cylindrical roller has a first and second end, and an endless recessed c... | 07/14/1992 |
| 5107582 | Tool changing system A tool changing system for chip forming machine tools is described which with a simple construction ensures a tool change both in conjunction with horizontal spindles and vertical spindles and also spindles which adopt intermediate positions, which minimi... | 04/28/1992 |
| 4922591 | Tool storage and changing system A system and method for storing and selectively transferring cutting tools to a tool holder of a machine tool comprising a bar coder for providing coded labels containing information such as the type of tool and their offsets and affixing the label to the... | 05/08/1990 |
| 4833772 | Automatic tool changing apparatus An automatic tool changing apparatus is disclosed which has first to fourth cam mebers (37, 42, 47, 51) integral with a drive shaft (23). The cam members operate cam index mechanism (FIG. 6), shaft drive mechanism (FIG. 7), claw driving mechanism (FIGS. 8... | 05/30/1989 |
| 4516311 | Machining centers A machining center comprises a horizontal bed, a column disposed perpendicularly to the bed, a plurality of slide rest located to be relatively movable to the bed and column, a spindle head, and a tool magazine. The spindle head includes vertical and hori... | 05/14/1985 |
| 4426763 | Tool changer A tool changer for a milling machine comprising a tool store, twin claw tool changer and microprocessor controller. Tool hangers in the tool store are mounted to an orbiting chain. The chain is driven by a servomotor to advance a tool hanger to the ready ... | 01/24/1984 |
| 4403391 | Machine tool including a tool transfer mechanism A machine tool comprises a work head in which tools are mounted in use and which is movable along a main beam in a Y machining direction. A tool selected from a tool storage matrix is held at an exchange position in readiness for exchange with a tool moun... | 09/13/1983 |
| 4384397 | Tool changing machining center with swing spindle An improved tool changing machining center adapted for boring, drilling, milling, tapping and tool changing operations under numerical control. The machining center, which may be built in both vertical and horizontal spindle configurations, has an automat... | 05/24/1983 |
| 4041601 | Machine tool with an automatic tool changer A machine tool with an automatic tool changer in which a new tool is removed from a self-indexing storage magazine and loaded into a spindle journaled in the frame of the machine. A tool changer mechanism comprises a carriage slidably mounted on the frame... | 08/16/1977 |
