Multiple spindle machine with variable speed drive
Abstract
Abstract 1. A MULTIPLE SPINDLE MACHINE COMPRISING A SPINDLE CARRIER, A PLURALITY OF SPINDLE SHAFTS ROTATABLE MOUNTED IN SAID SPINDLE CARRIER, MEANS MOUNTING SAID SPINDLE CARRIER FOR INDEXING MOVEMENT BETWEEN A PLURALITY OF WORK STATIONS, A MAIN DRIVE SHAFT, MEANS FOR ROTATING SAID MAIN DRIVE SHAFT AT A GIVEN SPEED, AND DRIVE MEANS INCLUDING A PLURALITY OF FLUID OPERATED CLUTCH MEANS ASSOCAITED WITH EACH OF SAID SPINDLE SHAFTS AND SAID MAIN DRIVE SHAFT FOR SELECTIVELY INDEPENDENTLY DRIVING SAID SPINDLE SHAFTS IN ONE DIRECTION AT ANY ONE OF AT LEAST THREE DIFFERENT SPEEDS DURING ROTATION OF SAID MAIN DRIVE SHAFTS AT ANY GIVEN SPEED, AND ADDTIONAL FLUID OPERATED CLUTCH MEANS ASSOCIATED WITH SAID SPINDLE SHAFTS AND DRIVE SHAFT FOR SELECTIVELY INDEPENDENTLY DRIVING SAID SPINDLE SHAFTS IN THE REVERSE DIRECTION.
Inventors
- 👤 P White
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |