US3207278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-way sprag clutch with spring means
Assignee: ALBERT TITT AND CO
•
Filing: 1963-02-04
•
Granted: 1965-09-21
•
Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Titt Georg Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A ONE-WAY SPRAG CLUTCH COMPRISING: A PAIR OF RADIALLY SPACED CONCENTRIC ANNULAR MEMBERS; AN ANNULAR CAGE POSITIONED BETWEEN SAID MEMBERS AND INCLUDING A PLURALITY OF SPRAG OPENINGS THEREIN; A PLURALITY OF IMPERFORATE SPRAGS SUPPORTED BY SAID CAGE IN ENGAGEMENT WITH THE COMFRONTING SURFACES OF SAID INNER AND OUTER ANNULAR MEMBERS; AND SPRING MEANS COMPRISING AN ENDLESS WIRE MEMBER INCLUDING PORTIONS ENGAGING SAID CAGE AND OTHER PORTIONS ENGAGING THE OUTER SURFACE ONLY OF EACH OF SAID SPRAG, SAID SPRING MEANS INDEPENDENTLY BIASING EACH SAID SPRAG TOWARD CLUTCH ENGAGING POSITION.
Claim 2
Dependent Claim
88 words
A ONE-WAY SPRAG CLUTCH COMPRISING: A PAIR OF RADIALLY SPACED CONCENTRIC ANNULAR MEMBERS; AN ANNULAR CAGE POSITIONED BETWEEN SAID MEMBERS AND INCLUDING A PLURALITY OF SPRAG OPENINGS THEREIN; A PLURALITY OF IMPERFORATE SPRAGS SUPPORTED BY SAID CAGE IN ENGAGEMENT WITH THE COMFRONTING SURFACES OF SAID INNER AND OUTER ANNULAR MEMBERS; AND SPRING MEANS COMPRISING AN ENDLESS WIRE MEMBER INCLUDING PORTIONS ENGAGING SAID CAGE AND OTHER PORTIONS ENGAGING THE OUTER SURFACE ONLY OF EACH OF SAID SPRAG, SAID SPRING MEANS INDEPENDENTLY BIASING EACH SAID SPRAG TOWARD CLUTCH ENGAGING POSITION.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |