Patent US3570319A successfully refreshed from Google Patents.
US3570319A
Expired / Lapsed
US
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Reversible power transmission
Assignee: Twin Disc Inc
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Filing: 1969-12-17
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Granted: 1971-03-16
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Expires: 1989-12-17
Abstract
Abstract A POWER TRANSMISSION FOR TRANSMITTING POWER FROM AN INPUT SHAFT AND TO AN OUTPUT SHAFT WHICH IS INCLINED AT AN ANGLE TO THE INPUT SHAFT, SAID TRANSMISSION HAVING MEANS INCLUDING A SECOND SHAFT FOR DRIVING THE INCLINED OUTPUT SHAFT IN THE REVERSE DIRECTION WITH EQUAL POWER TO THAT IN WHICH IT IS DRIVEN IN THE OTHER DIRECTION. THE TRANSMISSION INCLUDES A CLUTCH MEANS FOR THE INPUT SHAFT AND THE SECOND SHAFT AND ALSO INCLUDES MESHING GEARS BETWEEN THE INPUT, SECOND AND OUTPUT SHAFTS AND WHICH GEARS ARE IN CONSTANT MESH WITH ONE ANOTHER AND SELECTIVELY ENGAGED BY THE CLUTCHES.
Inventors
- 👤 Bruce C Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:56
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/14; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19386; Y10T74/19409; Y10T74/19642; Y10T74/1966
Claims Analysis
Total Claims: 0
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References 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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |