Patent US3194369A successfully refreshed from Google Patents.
US3194369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double acting overrunning clutch
Assignee: ZF Friedrichshafen AG
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Filing: 1963-05-17
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Granted: 1965-07-13
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Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 Witte Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/10; F16D41/069; F16D41/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
IN A CLUTCH OF THE TYPE DESCRIBED, IN COMBINATION: (A) A SUPPORT; (B) A DRIVING CLUTCH MEMBER; (C) A DRIVEN CLUTCH MEMBER, (1) SAID CLUTCH MEMBERS BEING MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT A COMMON AXIS, AND (2) HAVING RESPECTIVE ANNULAR FACES ABOUT SAID AXIS, SAID FACES BEING RADIALLY SPACED FROM EACH OTHER; (D) A PLURALITY OF COUPLING MEMBERS INTERPOSED BETWEEN SAID FACES, EACH COUPLING MEMBER BEING PIVOTABLE ABOUT A PIVOT AXIS EXTENDING IN THE DIRECTION OF SAID COMMON AXIS BETWEEN AN INOPERATIVE POSITION IN WHICH SAID COUPLING MEMBER PERMITS FREE ROTATION OF SAID CLUTCH MEMBERS RELATIVE TO EACH OTHER ABOUT SAID COMMON AXIS, AND TWO LOCKING POSITIONS ANGULARLY SPACED FROM SAID INOPERATIVE POSITION IN OPPOSITE DIRECTIONS, SAID COUPLING MEMBERS WHEN IN SAID LOCKING POSITIONS CONNECTING SAID CLUTCH MEMBERS FOR JOINT ROTATION IN A RESPECTIVE DIRECTION; (E) RESILIENT MEANS PERMANENTLY URGING EACH COUPLING MEMBER TOWARD ONE OF SAID FACES AND AWAY FROM THE OTHER FACE; (F) CONTROL MEANS MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT SAID COMMON AXIS AND ENGAGING A PORTION OF EACH COUPLING MEMBER SPACED FROM THE RESPECTIVE PIVOT AXIS FOR ACTUATING MOVEMENT OF SAID COUPLING MEMBERS BETWEEN SAID POSITIONS THEREOF; AND (G) BRAKE MEANS MOUNTED ON SAID SUPPORT AND ENGAGING SAID CONTROL MEANS FOR RETARDING SAID ROTATION OF THE CONTROL MEANS.
Claim 2
Dependent Claim
215 words
IN A CLUTCH OF THE TYPE DESCRIBED, IN COMBINATION: (A) A SUPPORT; (B) A DRIVING CLUTCH MEMBER; (C) A DRIVEN CLUTCH MEMBER, (1) SAID CLUTCH MEMBERS BEING MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT A COMMON AXIS, AND (2) HAVING RESPECTIVE ANNULAR FACES ABOUT SAID AXIS, SAID FACES BEING RADIALLY SPACED FROM EACH OTHER; (D) A PLURALITY OF COUPLING MEMBERS INTERPOSED BETWEEN SAID FACES, EACH COUPLING MEMBER BEING PIVOTABLE ABOUT A PIVOT AXIS EXTENDING IN THE DIRECTION OF SAID COMMON AXIS BETWEEN AN INOPERATIVE POSITION IN WHICH SAID COUPLING MEMBER PERMITS FREE ROTATION OF SAID CLUTCH MEMBERS RELATIVE TO EACH OTHER ABOUT SAID COMMON AXIS, AND TWO LOCKING POSITIONS ANGULARLY SPACED FROM SAID INOPERATIVE POSITION IN OPPOSITE DIRECTIONS, SAID COUPLING MEMBERS WHEN IN SAID LOCKING POSITIONS CONNECTING SAID CLUTCH MEMBERS FOR JOINT ROTATION IN A RESPECTIVE DIRECTION; (E) RESILIENT MEANS PERMANENTLY URGING EACH COUPLING MEMBER TOWARD ONE OF SAID FACES AND AWAY FROM THE OTHER FACE; (F) CONTROL MEANS MOUNTED ON SAID SUPPORT FOR ROTATION ABOUT SAID COMMON AXIS AND ENGAGING A PORTION OF EACH COUPLING MEMBER SPACED FROM THE RESPECTIVE PIVOT AXIS FOR ACTUATING MOVEMENT OF SAID COUPLING MEMBERS BETWEEN SAID POSITIONS THEREOF; AND (G) BRAKE MEANS MOUNTED ON SAID SUPPORT AND ENGAGING SAID CONTROL MEANS FOR RETARDING SAID ROTATION OF THE CONTROL MEANS.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |