US3102618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-directional torque coupling and clutch mechanism
Assignee: Formsprag Co
•
Filing: 1961-01-23
•
Granted: 1963-09-03
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Lund Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
F; F16; F16B; F16B1/00; F16B1/02; F16B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A TWO-DIRECTIONAL, ANTI-REVERSE FEEDBACK, TORQUE TRANSMITTING DEVICE, COMPRISING A FIRST MEMBER HAVING A SMOOTH, FIXED CYLINDRICAL RACE, A FURTHER MEMBER DISPOSED IN A ROTATABLE RELATION TO SAID FIRST MEMBER COAXIALLY OF SAID RACE OF THE LATTER AND HAVING A RACE INCLUDING A PERIPHERAL SURFACE RADIALLY SPACED FROM SAID FIRST NAMED RACE AND PROVIDED WITH ROUNDED SOCKETS OPENING RADIALLY RELATIVE TO SAID PERIPHERAL SURFACE, MEANS PROVIDING A TORQUE CONNECTION BETWEEN SAID RACES WHICH IS EFFECTIVE IN EITHER ANGULAR DIRECTION, SAID MEANS INCLUDING AN ANNULAR ASSEMBLY OF INDIVIDUAL RACE ENGAGING SPRAGS OF SIMILAR NON-CIRCULAR CROSS SECTION DISPOSED IN THE SPACE BETWEEN SAID RACES, SAID SPRAGS BEING ARRANGED IN SETS ORIENTED OPPOSITELY IN REFERENCE TO RADIALLY SPACED PORTIONS OF EACH WHICH ENGAGE SAID RESPECTIVE RACES, ONE OF SAID PORTIONS OF THE SPRAGS OF EACH SET BEING PROVIDED WITH A ROUNDED WEDGING SURFACE ADAPTED FOR FIXED GRIPPING ENGAGEMENT OR RELATIVE SLIDING ENGAGEMENT IN REFERENCE TO SAID CYLINDRICAL RACE OF SAID FIRST MEMBER, DEPENDING UPON THE DIRECTION OF RELATIVE ROTATION OF SAID FIRST AND FURTHER MEMBERS, THE OTHER PORTION OF THE SPRAGS OF THE RESPECTIVE SETS BEING ROUNDED FOR PIVOTAL AND DRIVING ENGAGEMENT IN SAID SOCKETS IN THE RACE OF SAID FURTHER MEMBER FOR THE DRIVE OF THE LATTER IN ONE DIRECTION OR THE OTHER THROUGH SAID LAST NAMED SOCKETED RACE, CORRE-
Claim 2
Dependent Claim
217 words
A TWO-DIRECTIONAL, ANTI-REVERSE FEEDBACK, TORQUE TRANSMITTING DEVICE, COMPRISING A FIRST MEMBER HAVING A SMOOTH, FIXED CYLINDRICAL RACE, A FURTHER MEMBER DISPOSED IN A ROTATABLE RELATION TO SAID FIRST MEMBER COAXIALLY OF SAID RACE OF THE LATTER AND HAVING A RACE INCLUDING A PERIPHERAL SURFACE RADIALLY SPACED FROM SAID FIRST NAMED RACE AND PROVIDED WITH ROUNDED SOCKETS OPENING RADIALLY RELATIVE TO SAID PERIPHERAL SURFACE, MEANS PROVIDING A TORQUE CONNECTION BETWEEN SAID RACES WHICH IS EFFECTIVE IN EITHER ANGULAR DIRECTION, SAID MEANS INCLUDING AN ANNULAR ASSEMBLY OF INDIVIDUAL RACE ENGAGING SPRAGS OF SIMILAR NON-CIRCULAR CROSS SECTION DISPOSED IN THE SPACE BETWEEN SAID RACES, SAID SPRAGS BEING ARRANGED IN SETS ORIENTED OPPOSITELY IN REFERENCE TO RADIALLY SPACED PORTIONS OF EACH WHICH ENGAGE SAID RESPECTIVE RACES, ONE OF SAID PORTIONS OF THE SPRAGS OF EACH SET BEING PROVIDED WITH A ROUNDED WEDGING SURFACE ADAPTED FOR FIXED GRIPPING ENGAGEMENT OR RELATIVE SLIDING ENGAGEMENT IN REFERENCE TO SAID CYLINDRICAL RACE OF SAID FIRST MEMBER, DEPENDING UPON THE DIRECTION OF RELATIVE ROTATION OF SAID FIRST AND FURTHER MEMBERS, THE OTHER PORTION OF THE SPRAGS OF THE RESPECTIVE SETS BEING ROUNDED FOR PIVOTAL AND DRIVING ENGAGEMENT IN SAID SOCKETS IN THE RACE OF SAID FURTHER MEMBER FOR THE DRIVE OF THE LATTER IN ONE DIRECTION OR THE OTHER THROUGH SAID LAST NAMED SOCKETED RACE, CORRE-
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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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |