US3306680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearings for a bent flexible transmission shaft
Assignee: Safran Transmission Systems SAS
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Filing: 1963-10-30
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Granted: 1967-02-28
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Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Bruyere Marcel Martin Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:38
CPC Classifications
B; B64; B64D; B64D35/00; F; F16; F16C; F16C27/00; F16C27/06; F16C27/066; F16C2326/00; F16C2326/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A SYSTEM COMPRISING A SUPPORTING STRUCTURE, AT LEAST TWO BEARINGS MOUNTED ON SAID STRUCTURE SO THAT THEIR RESPECTIVE AXES MAKE AN ANGLE WITH EACH OTHER AND A CURVED FLEXIBLE SHAFT JOURNALLED IN SAID BEARINGS, THE COMBINATION, TO CONSTITUTE EACH OF SAID BEARINGS, OF A FIRST BEARING PORTION FIXED TO SAID STRUCTURE, A SECOND BEARING PORTION HAVING SAID SHAFT JOURNALLED THEREIN, RESILIENT MEANS FOR INTERCONNECTING SAID TWO BEARING PORTIONS WITH EACH OTHER, AND RESILIENT COMPENSATING MEANS INTERPOSED BETWEEN SAID SECOND BEARING PORTION AND SAID STRUCTURE FOR EXERTING ON SAID SECOND BEARING PORTION A FORCE OF A DIRECTION OPPOSED TO THE LOAD SUPPORTED IN OPERATION BY SAID SECOND BEARING PORTION DUE TO THE BENDING OF SAID SHAFT, SAID COMPENSATING MEANS INCLUDING AT LEAST ONE PAIR OF STRETCHING RESILIENT LINKS DISPOSED ON EACH SIDE RESPECTIVELY OF SAID BEARING.
Claim 2
Dependent Claim
136 words
IN A SYSTEM COMPRISING A SUPPORTING STRUCTURE, AT LEAST TWO BEARINGS MOUNTED ON SAID STRUCTURE SO THAT THEIR RESPECTIVE AXES MAKE AN ANGLE WITH EACH OTHER AND A CURVED FLEXIBLE SHAFT JOURNALLED IN SAID BEARINGS, THE COMBINATION, TO CONSTITUTE EACH OF SAID BEARINGS, OF A FIRST BEARING PORTION FIXED TO SAID STRUCTURE, A SECOND BEARING PORTION HAVING SAID SHAFT JOURNALLED THEREIN, RESILIENT MEANS FOR INTERCONNECTING SAID TWO BEARING PORTIONS WITH EACH OTHER, AND RESILIENT COMPENSATING MEANS INTERPOSED BETWEEN SAID SECOND BEARING PORTION AND SAID STRUCTURE FOR EXERTING ON SAID SECOND BEARING PORTION A FORCE OF A DIRECTION OPPOSED TO THE LOAD SUPPORTED IN OPERATION BY SAID SECOND BEARING PORTION DUE TO THE BENDING OF SAID SHAFT, SAID COMPENSATING MEANS INCLUDING AT LEAST ONE PAIR OF STRETCHING RESILIENT LINKS DISPOSED ON EACH SIDE RESPECTIVELY OF SAID BEARING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |