Patent US2216130A successfully refreshed from Google Patents.
Patent US3261437A successfully refreshed from Google Patents.
US3261437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overrunning clutch
Assignee: Individual
•
Filing: 1964-07-27
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Granted: 1966-07-19
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Carl H Kramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:24
CPC Classifications
F; F16; F16D; F16D41/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
AN OVERRUNNING CLUTCH ASSEMBLY COMPRISING, IN COMBINATION, (A) A ROTATABLE DRIVE MEMBER ADAPTED TO ROTATE ABOUT A GIVEN AXIS, (B) A DRUM HAVING AN INTEGRAL CYLINDRICAL SURFACE, (C) MEANS ROTATABLY SUPPORTING SAID DRUM FOR ROTATION ABOUT SAID GIVEN AXIS, (D) A NONCYLINDRICAL CAM MOUNTED UPON SAID DRIVE MEMBER FOR ROTATION THEREWITH AND AXIALLY ALIGNED WITH SAID DRUM CYLINDRICAL SURFACE, (E) A PAIR OF RADIALLY MOVABLE FRICTION ELEMENTS INTERPOSED BETWEEN SAID CAM AND SAID DRUM CYLINDRICAL SURFACE, SAID ELEMENTS BEING RELATED IN DIAMETRICAL OPPOSITION WITH RESPECT TO SAID OTHER AND SAID CAM, CYLINDRICAL SEGMENT SURFACES DEFINED ON SAID ELEMENTS ADAPTED TO SELECTIVELY, FRICTIONALLY ENGAGE SAID DRUM CYLINDRICAL SURFACE, (F) A CAM SURFACE DEFINED ON EACH OF SAID ELEMENTS ENGAGED BY SAID CAM WHEREBY RELATIVE ROTATIONAL MOVEMENT BETWEEN SAID CAM AND SAID ELEMENTS RADIALLY TRANSLATES SAID ELEMENTS, (G) A CYLINDRICAL RING SUPPORTED CONCENTRICALLY TO SAID GIVEN AXIS AND HAVING AN OUTER SURFACE, (H) A PLURALITY OF ARCUATE FRICTION-PRODUCING SEGMENTS ENGAGING SAID CYLINDRICAL RING OUTER SURFACE AND HAVING A COMPLEMENTARY CONCAVE, CYLINDRICAL SURFACE DEFINED THEREON, (I) AN ANNULAR SPRING BIASING SAID SEGMENTS INTO ENGAGEMENT WITH SAID RING, AND (J) MEANS INTERCONNECTING SAID SEGMENTS TO SAID ELEMENTS FOR ROTATION THEREWITH.
Claim 2
Dependent Claim
196 words
AN OVERRUNNING CLUTCH ASSEMBLY COMPRISING, IN COMBINATION, (A) A ROTATABLE DRIVE MEMBER ADAPTED TO ROTATE ABOUT A GIVEN AXIS, (B) A DRUM HAVING AN INTEGRAL CYLINDRICAL SURFACE, (C) MEANS ROTATABLY SUPPORTING SAID DRUM FOR ROTATION ABOUT SAID GIVEN AXIS, (D) A NONCYLINDRICAL CAM MOUNTED UPON SAID DRIVE MEMBER FOR ROTATION THEREWITH AND AXIALLY ALIGNED WITH SAID DRUM CYLINDRICAL SURFACE, (E) A PAIR OF RADIALLY MOVABLE FRICTION ELEMENTS INTERPOSED BETWEEN SAID CAM AND SAID DRUM CYLINDRICAL SURFACE, SAID ELEMENTS BEING RELATED IN DIAMETRICAL OPPOSITION WITH RESPECT TO SAID OTHER AND SAID CAM, CYLINDRICAL SEGMENT SURFACES DEFINED ON SAID ELEMENTS ADAPTED TO SELECTIVELY, FRICTIONALLY ENGAGE SAID DRUM CYLINDRICAL SURFACE, (F) A CAM SURFACE DEFINED ON EACH OF SAID ELEMENTS ENGAGED BY SAID CAM WHEREBY RELATIVE ROTATIONAL MOVEMENT BETWEEN SAID CAM AND SAID ELEMENTS RADIALLY TRANSLATES SAID ELEMENTS, (G) A CYLINDRICAL RING SUPPORTED CONCENTRICALLY TO SAID GIVEN AXIS AND HAVING AN OUTER SURFACE, (H) A PLURALITY OF ARCUATE FRICTION-PRODUCING SEGMENTS ENGAGING SAID CYLINDRICAL RING OUTER SURFACE AND HAVING A COMPLEMENTARY CONCAVE, CYLINDRICAL SURFACE DEFINED THEREON, (I) AN ANNULAR SPRING BIASING SAID SEGMENTS INTO ENGAGEMENT WITH SAID RING, AND (J) MEANS INTERCONNECTING SAID SEGMENTS TO SAID ELEMENTS FOR ROTATION THEREWITH.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |