Work support for multi-station machine tools
Abstract
Abstract A WORK SUPPORT FOR USE IN DOUBLE-END OR OPPOSEDHEAD MACHINE TOOLS COMPRISES AN INDEXIBLE SHAFT 1 WHICH CARRIES A TURRET COMPOSED OF SEVERAL HOUSINGS 4 EACH OF WHICH ACCOMMODATES A PAIR OF COAXIAL WORK HOLDERS 5,6 MOVABLE TOWARD AND AWAY FROM EACH OTHER BY A DRIVE INCLUDING TWO PAIRS OF PISTONS 21, 22. THE WORK HOLDERS ARE ROTATABLE IN THEIR HOUSINGS TO CHANGE THE ORIENTATION OF WORKPIECES, AND ONE HOLDER 6 OF EACH PAIR CAN BE ROTATED BETWEEN SEVERAL ANGULAR POSITIONS BY A PISTON-OPERATED RACK AND PINION DRIVE 9, 10. A LOCKING DEVICE 13-17 CAN FIX THE HOLDER 6 IN EACH ANGULAR POSITION. THE MOVE- MENTS OF PISTONS IN EACH DRIVE ARE SYNCHRONIZED (BY 21'', 24, 25) TO INSURE SIMULTANEOUS MOVEMENT OF THE RESPECTIVE PAIRS OF HOLDERS IN OPPOSITE DIRECTIONS AND THROUGH IDENTICAL DISTANCES.
Inventors
- 👤 Kurt Wusteney
- 👤 Otto Lehmann
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |