US3084774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way overrunning coupling
Assignee: Ford Motor Co
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Filing: 1960-06-24
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Granted: 1963-04-09
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Expires: 1980-06-24
Abstract
No abstract record available.
Inventors
- 👤 Liang Po-Lung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:36
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/086; F16D41/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
AN OVERRUNNING COUPLING COMPRISING CONCENTRIC CYLINDRICAL INNER AND OUTER RACES, A RECESS FORMED IN ONE OF SAID RACES, A PAIR OF CAM SURFACES DEFINED BY SAID RECESS, A PAIR OF ROLLERS DISPOSED IN EACH RECESS, ONE ROLLER BEING ADAPTED TO ENGAGE EACH CAM SURFACE, A PAIR OF PHASING RINGS, ONE PHASING RING BEING DISPOSED ON EACH AXIAL SIDE OF SAID ONE RACE, A PISTON MEMBER CARRIED BY EACH PHASING RING, THE PISTON MEMBER FOR ONE PHASING RING EXTENDING INTO SAID RECESS ADJACENT ONE OF THE ASSOCIATED ROLLERS, THE PISTON MEMBER FOR THE OTHER PHASING RING EXTENDING INTO SAID RECESS ON ONE SIDE OF THE OTHER ASSOCIATED ROLLER, A ROLLER ENGAGING PAWL CARRIED BY EACH PISTON MEMBER, EACH OF SAID PISTON MEMBERS AND SAID RECESSES COOPERATING TO DEFINE A PAIR OF PRESSURE CHAMBERS, AND PASSAGE MEANS FOR SELECTIVELY DISTRIBUTING FLUID PRESSURE TO EACH OF SAID CHAMBERS WHEREBY SAID ROLLERS MAY BE URGED OUT OF CAMMING ENGAGEMENT WITH ITS ASSOCIATED CAM SURFACE.
Claim 2
Dependent Claim
160 words
AN OVERRUNNING COUPLING COMPRISING CONCENTRIC CYLINDRICAL INNER AND OUTER RACES, A RECESS FORMED IN ONE OF SAID RACES, A PAIR OF CAM SURFACES DEFINED BY SAID RECESS, A PAIR OF ROLLERS DISPOSED IN EACH RECESS, ONE ROLLER BEING ADAPTED TO ENGAGE EACH CAM SURFACE, A PAIR OF PHASING RINGS, ONE PHASING RING BEING DISPOSED ON EACH AXIAL SIDE OF SAID ONE RACE, A PISTON MEMBER CARRIED BY EACH PHASING RING, THE PISTON MEMBER FOR ONE PHASING RING EXTENDING INTO SAID RECESS ADJACENT ONE OF THE ASSOCIATED ROLLERS, THE PISTON MEMBER FOR THE OTHER PHASING RING EXTENDING INTO SAID RECESS ON ONE SIDE OF THE OTHER ASSOCIATED ROLLER, A ROLLER ENGAGING PAWL CARRIED BY EACH PISTON MEMBER, EACH OF SAID PISTON MEMBERS AND SAID RECESSES COOPERATING TO DEFINE A PAIR OF PRESSURE CHAMBERS, AND PASSAGE MEANS FOR SELECTIVELY DISTRIBUTING FLUID PRESSURE TO EACH OF SAID CHAMBERS WHEREBY SAID ROLLERS MAY BE URGED OUT OF CAMMING ENGAGEMENT WITH ITS ASSOCIATED CAM SURFACE.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |