Patent FI23795A successfully refreshed from Google Patents.
Patent US3237738A successfully refreshed from Google Patents.
US3237738A
Expired / Lapsed
US
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Friction coupling mechanism
Assignee: MONTALVO AND CO Inc
•
Filing: 1963-08-14
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Granted: 1966-03-01
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Donald F Suppes
- 👤 Edwin J Montalvo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:23
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/04; F16D55/06; F16D25/00; F16D25/04; F16D25/042; F16D25/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A MECHANISM FOR SELECTIVELY FRICTIONALLY COUPLING TWO RELATVELY ROTATABLE BODIES, COMPRISING TWO PARALLEL FRICTION PLATES FIXEDLY CONNECTED TO A FIRST ONE OF SAID BODIES TRANSVERSE TO THE AXIS OF RELATIVE ROTATION OF SAID BODIES, THE SECOND OF SAID BODIES HAVING A PORTION POSITIONED BETWEEN THE INNER FACES OF THE FRICTION PLATES AND CARRYING A PLURALITY OF PAIRS OF OPPOSITED FRICTION MEMBERS, ONE OF EACH OF SAID PAIRS OF FRICTION MEMBERS CONFRONTING THE AXIALLY INNER FACE OF ONE OF THE FRICTION PLATES, AND THE OTHER OF EACH OF SAID PAIRS OF FRICTION MEMBERS CONFRONTING THE AXIALLY INNER FACE OF THE OTHER OF THE FRICTION PLATES, AND MEANS FOR SIMULTANEOUSLY THRUSTING THE FRICTION MEMBERS IN OPPOSITE DIRECTIONS INTO CON-
Claim 2
Dependent Claim
117 words
A MECHANISM FOR SELECTIVELY FRICTIONALLY COUPLING TWO RELATVELY ROTATABLE BODIES, COMPRISING TWO PARALLEL FRICTION PLATES FIXEDLY CONNECTED TO A FIRST ONE OF SAID BODIES TRANSVERSE TO THE AXIS OF RELATIVE ROTATION OF SAID BODIES, THE SECOND OF SAID BODIES HAVING A PORTION POSITIONED BETWEEN THE INNER FACES OF THE FRICTION PLATES AND CARRYING A PLURALITY OF PAIRS OF OPPOSITED FRICTION MEMBERS, ONE OF EACH OF SAID PAIRS OF FRICTION MEMBERS CONFRONTING THE AXIALLY INNER FACE OF ONE OF THE FRICTION PLATES, AND THE OTHER OF EACH OF SAID PAIRS OF FRICTION MEMBERS CONFRONTING THE AXIALLY INNER FACE OF THE OTHER OF THE FRICTION PLATES, AND MEANS FOR SIMULTANEOUSLY THRUSTING THE FRICTION MEMBERS IN OPPOSITE DIRECTIONS INTO CON-
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |