Patent US3376964A successfully refreshed from Google Patents.
US3376964A
Expired / Lapsed
US
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Self-adjusting clutch
Assignee: Lipe Rollway Corp
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Filing: 1966-07-26
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Granted: 1968-04-09
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert S Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:03
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/75; F16D13/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A SELF-ADJUSTING CLUTCH RELEASE MECHANISM TO AUTOMATICALLY COMPENSATE FOR WEAR IN A LEVER RELEASE FRICTION TYPE CLUTCH, COMPRISING A FIRST SLEEVE MEMBER CARRIED BY THE CLUTCH COVER, A SECOND SLEEVE MEMBER TELESCOPICALLY AND SLIDINGLY RECEIVED IN SAID FIRST MEMBER, SPRING MEANS RECEIVED IN THE SPACE BETWEEN SAID FIRST AND SECOND SLEEVE MEMBERS TO URGE APART AND TO URGE SAID SECOND SLEEVE MEMBER INTO ENGAGEMENT WITH THE CLUTCH RELEASE LEVERS, A CUP SHAPED RELEASE MEMBER CARRIED BY THE SAID FIRST SLEEVE AND A PLURALITY OF ANGULARLY DISPOSED RELEASE PINS CARRIED BY SAID FIRST SLEEVE MEMBER AND POSITIONED TO BE MOVED RADIALLY INWARDLY BY SAID CUP SHAPED MEMBER, SPRING MEANS TO NORMALLY URGE SAID PINS OUTWARDLY IN SAID SLEEVE MEMBER AND INTO ENGAGEMENT WITH THE INNER END OF SAID CUP SHAPED MEMBER, A PLURALITY OF V-SHAPED GROOVES FORMED IN THE OUTER SURFACE OF SAID SECOND SLEEVE MEMBER AND POSITIONED FOR ENGAGEMENT BY SAID PINS, RELEASE BEARING MEANS OPERABLE TO MOVE SAID CUP SHAPED MEMBER AND SAID PINS INWARDLY TO ENGAGE SAID SECOND SLEEVE MEMBER AND MOVE IT IN THE SAME DIRECTION TOWARD SAID CLUTCH TO OPERATE SAID RELEASE MEMBERS.
Claim 2
Dependent Claim
187 words
A SELF-ADJUSTING CLUTCH RELEASE MECHANISM TO AUTOMATICALLY COMPENSATE FOR WEAR IN A LEVER RELEASE FRICTION TYPE CLUTCH, COMPRISING A FIRST SLEEVE MEMBER CARRIED BY THE CLUTCH COVER, A SECOND SLEEVE MEMBER TELESCOPICALLY AND SLIDINGLY RECEIVED IN SAID FIRST MEMBER, SPRING MEANS RECEIVED IN THE SPACE BETWEEN SAID FIRST AND SECOND SLEEVE MEMBERS TO URGE APART AND TO URGE SAID SECOND SLEEVE MEMBER INTO ENGAGEMENT WITH THE CLUTCH RELEASE LEVERS, A CUP SHAPED RELEASE MEMBER CARRIED BY THE SAID FIRST SLEEVE AND A PLURALITY OF ANGULARLY DISPOSED RELEASE PINS CARRIED BY SAID FIRST SLEEVE MEMBER AND POSITIONED TO BE MOVED RADIALLY INWARDLY BY SAID CUP SHAPED MEMBER, SPRING MEANS TO NORMALLY URGE SAID PINS OUTWARDLY IN SAID SLEEVE MEMBER AND INTO ENGAGEMENT WITH THE INNER END OF SAID CUP SHAPED MEMBER, A PLURALITY OF V-SHAPED GROOVES FORMED IN THE OUTER SURFACE OF SAID SECOND SLEEVE MEMBER AND POSITIONED FOR ENGAGEMENT BY SAID PINS, RELEASE BEARING MEANS OPERABLE TO MOVE SAID CUP SHAPED MEMBER AND SAID PINS INWARDLY TO ENGAGE SAID SECOND SLEEVE MEMBER AND MOVE IT IN THE SAME DIRECTION TOWARD SAID CLUTCH TO OPERATE SAID RELEASE MEMBERS.
References Cited (Backward Citations)
US2002841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |