Back lash free power transfer mechanism
Abstract
Abstract THE APPARATUS IS INTENDED PRIMARILY FOR TRANSFERRING POWER FROM A PRIME MOVER TO ANOTHER MECHANISM, FOR EXAMPLE, ACCURATELY MADE CAMS WHERE BACK LASH MUST BE MINIMAL OR PREFERABLY ENTIRELY ELIMINATED. THE MECHANISM INCLUDES A POWER INPUT SHAFT WITH SPACED RIGHT AND LEFT HAND WORM GEARS MOUNTED THEREON. THE MAIN CAM SHAFT IS PROVIDED WITH A WORM WHEEL ENGAGED ON OPPOSITE SIDES THEREOF BY HOUR GLASS WORMS HAVING ATTACHED THERETO WORM WHEELS ENGAGING THE WORM GEARS ON THE POWER INPUT SHAFT. ONE OF THE WORM GEARS IS FIXED TO ITS HOUR GLASS WORM. HOWEVER, THE OTHER IS ROTATABLY ADJUSTABLE TO TAKE UP THE BACK LASH AT WHICH POINT IT CAN BE FIXED BY SET SCREWS IN A COLLAR FIXED TO THE WORM GEAR.
Inventors
- 👤 Nils Hoglund
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |