Patent US3216544A successfully refreshed from Google Patents.
US3216544A
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Clutch device of sprag type
Assignee: Individual
•
Filing: 1963-10-01
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Granted: 1965-11-09
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Expires: 1983-10-01
Abstract
No abstract record available.
Inventors
- 👤 Edward J Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:11
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A CLUTCH OF SPRAG TYPE INCLUDING A FIRST ROTARY MEMBER, AN OUTER RACE FORMED IN SAID FIRST ROTARY MEMBER, A SECOND ROTARY MEMBER, AN INNER RACE FORMED ON SAID SECOND ROTARY MEMBER CONCENTRIC TO SAID OUTER RACE, A PLURALITY OF SPRAGS ARRANGED IN PAIRS BETWEEN SAID INNER AND OUTER RACES FOR SPRAG ENGAGEMENT THEREBETWEEN SO AS TO TRANSFER TORQUE FROM ONE OF SAID ROTARY MEMBERS TO THE OTHER IN BOTH DIRECTIONS, A GARTER SPRING ARRANGED FOR BIASING SAID SPRAGS INTO SPRAG ENGAGEMENT BETWEEN SAID INNER AND OUTER RACES, AND MEANS CONTROLLING THE ENGAGEMENT OF SAID SPRAGS WITH SAID OUTER RACE SO THAT SAID FIRST
Claim 2
Dependent Claim
104 words
A CLUTCH OF SPRAG TYPE INCLUDING A FIRST ROTARY MEMBER, AN OUTER RACE FORMED IN SAID FIRST ROTARY MEMBER, A SECOND ROTARY MEMBER, AN INNER RACE FORMED ON SAID SECOND ROTARY MEMBER CONCENTRIC TO SAID OUTER RACE, A PLURALITY OF SPRAGS ARRANGED IN PAIRS BETWEEN SAID INNER AND OUTER RACES FOR SPRAG ENGAGEMENT THEREBETWEEN SO AS TO TRANSFER TORQUE FROM ONE OF SAID ROTARY MEMBERS TO THE OTHER IN BOTH DIRECTIONS, A GARTER SPRING ARRANGED FOR BIASING SAID SPRAGS INTO SPRAG ENGAGEMENT BETWEEN SAID INNER AND OUTER RACES, AND MEANS CONTROLLING THE ENGAGEMENT OF SAID SPRAGS WITH SAID OUTER RACE SO THAT SAID FIRST
References Cited (Backward Citations)
US3086405A
Cited
US3119479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |