US3620044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmitting system
Assignee: DEV IND P ROCLEM SARL SOC ET
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Filing: 1970-01-22
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Granted: 1971-11-16
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Expires: 1990-01-22
Abstract
Abstract CYCLIC IRREGULARITIES IN THE ANGULAR VELOCITY OF THE DRIVE TO A ROTATIONAL COUPLING ARE COMPENSATED FOR BY PROVIDING ANGULAR PLAY IN THE COUPLING EQUAL TO THE PEAK TO PEAK AMPLITUDE OF THE IRREGULARITIES IN ANGULAR DISPLACEMENT OF THE DRIVE MEMBER OF THE COUPLING. THE COUPLING COMPRISES INNER AND OUTER MEMBERS HAVING COMPLEMENTARY RECESSES OR PROJECTIONS ON THEIR FACING SURFACES, FORMING HOUSING FOR COUPLING MEMBERS DIMENSIONED TO PERMIT THE DESIRED ANGULAR PLAY. THE COUPLING MEMBERS ARE PREFERABLY CYLINDRICAL AND MAY BE OF ELASTIC MATERIAL.
Inventors
- 👤 Claude Latour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:58
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10
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) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |