Patent US3277986A successfully refreshed from Google Patents.
US3277986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil clutch with resilient latch
Assignee: Borg Warner Corp
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Filing: 1964-06-01
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Granted: 1966-10-11
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Robert B Beare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:35
CPC Classifications
D; D06; D06F; D06F37/00; D06F37/30; D06F34/00; D06F34/08; D06F39/00; D06F39/08; D06F39/083; D06F39/085; D06F39/087; D06F2103/00; D06F2103/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
IN A WASHING MACHINE HAVING A TUB FOR RECEIVING AND HOLDING A LIQUID AND A BASKET ROTATABLY SUPPORTED IN THE TUB TO FORM A CONTAINER FOR CLOTHES AND THE LIKE, TE BASKET COUPLED TO A MOTOR THROUGH A DRIVE TRAIN, THE SUBCOMBINATION COMPRISING A DRIVE SHAFT IN SAID DRIVE TRAIN, A DRIVEN SHAFT AXIALLY ALIGNED WITH, AND DISPOSED IN GENERALLY ABUTTING RELATIONSHIP TO SAID DRIVE SHAFT, A CLUTCH SPRING HAVING OPPOSITE ENDS AND RESPECTIVE AXIAL SECTIONS OVERLYING ADJACENT PORTIONS OF SAID RESPECTIVE DRIVE AND DIRVEN SHAFTS AND SNUGLY FITTING THEREABOUT, SAID SPRING COILED TO WRAP-AROUND BOTH SHAFTS IN RESPONSE TO DRIVE SHAFT ROTATION IN ONE DIRECTION AND TO UNWRAP IN RESPONSE TO DRIVE SHAFT ROTATION IN THE OPPOSITE DIRECTION, ANNULAR MEANS COAXIAL WITH SAID DRIVE TRAIN AND CONNECTED TO SAID ONE SPRING END TERMINATING SAID SPRING SECTION OVERLYING SAID DRIVE SHAFT, SAID SPRING CARRYING SAID ANNULUR MEANS THEREWITH WHEN SAID DRIVE SHAFT ROTATES SAID SPRING, EARS CARRIED BY SAID ANNULUR MEANS, A LATCH PIVOTALLY MOUNTED ON A PIVOTAL MOUNTING SO AS TO MOVE TOWARD AND AWAY FROM SAID ANNULAR MEANS, PROJECTING MEANS CARRIED BY SAID LATCH TO ENGAGE SAID EARS TO HOLE SAID ANNULUR MEANS AND CONNECTED SPRING AGAINST ROTATION IN SAID SPRING WRAPAROUND DIRECTION, AND SAID LATCH PRIVOTAL MOUNTING INCLUDING MEANS TO PERMIT MOVEMENT OF SAID LATCH TO ABSORB THE SHOCK RECEIVED BY THE LATTER WHEN ENGAGING SAID ANNULAR MEANS ROTATING AT HIGH SPEED.
Claim 2
Dependent Claim
235 words
IN A WASHING MACHINE HAVING A TUB FOR RECEIVING AND HOLDING A LIQUID AND A BASKET ROTATABLY SUPPORTED IN THE TUB TO FORM A CONTAINER FOR CLOTHES AND THE LIKE, TE BASKET COUPLED TO A MOTOR THROUGH A DRIVE TRAIN, THE SUBCOMBINATION COMPRISING A DRIVE SHAFT IN SAID DRIVE TRAIN, A DRIVEN SHAFT AXIALLY ALIGNED WITH, AND DISPOSED IN GENERALLY ABUTTING RELATIONSHIP TO SAID DRIVE SHAFT, A CLUTCH SPRING HAVING OPPOSITE ENDS AND RESPECTIVE AXIAL SECTIONS OVERLYING ADJACENT PORTIONS OF SAID RESPECTIVE DRIVE AND DIRVEN SHAFTS AND SNUGLY FITTING THEREABOUT, SAID SPRING COILED TO WRAP-AROUND BOTH SHAFTS IN RESPONSE TO DRIVE SHAFT ROTATION IN ONE DIRECTION AND TO UNWRAP IN RESPONSE TO DRIVE SHAFT ROTATION IN THE OPPOSITE DIRECTION, ANNULAR MEANS COAXIAL WITH SAID DRIVE TRAIN AND CONNECTED TO SAID ONE SPRING END TERMINATING SAID SPRING SECTION OVERLYING SAID DRIVE SHAFT, SAID SPRING CARRYING SAID ANNULUR MEANS THEREWITH WHEN SAID DRIVE SHAFT ROTATES SAID SPRING, EARS CARRIED BY SAID ANNULUR MEANS, A LATCH PIVOTALLY MOUNTED ON A PIVOTAL MOUNTING SO AS TO MOVE TOWARD AND AWAY FROM SAID ANNULAR MEANS, PROJECTING MEANS CARRIED BY SAID LATCH TO ENGAGE SAID EARS TO HOLE SAID ANNULUR MEANS AND CONNECTED SPRING AGAINST ROTATION IN SAID SPRING WRAPAROUND DIRECTION, AND SAID LATCH PRIVOTAL MOUNTING INCLUDING MEANS TO PERMIT MOVEMENT OF SAID LATCH TO ABSORB THE SHOCK RECEIVED BY THE LATTER WHEN ENGAGING SAID ANNULAR MEANS ROTATING AT HIGH SPEED.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |