Patent US3176539A successfully refreshed from Google Patents.
US3176539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand brake mechanism
Assignee: Faiveley Transport North America Inc
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Filing: 1962-08-28
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Granted: 1965-04-06
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Everard C Mersereau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:47
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; B61H13/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/2048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A BRAKE OPERATING MECHANISM COMPRISING A ROTATABLE SHAFT, A DRIVING MEMBER MOUNTED ON SAID SHAFT, MEANS OPERABLE BY SAID SHAFT FOR MOVING SAID DRIVING MEMBER AXIALLY IN TWO OPPOSITE DIRECTIONS UPON RELATIVE ROTATION BETWEEN SAID SHAFT AND SAID DRIVING MEMBER, A DETENT MEMBER ADAPTED TO BE CLAMPED TO AND UNCLAMPED FROM SAID DRIVING MEMBER BY SUCH AXIAL MOVEMENT, A COUPLING MEMBER SLIDABLY MOUNTED ON SAID DRIVING MEMBER AND ROTATABLE THEREWITH, A PINION ROTATABLY MOUNTED ON SAID SHAFT, MEANS FOR URGING SAID COUPLING MEMBER INTO ENGAGEMENT WITH SAID PINION WHEREBY SAID PINION ROTATES WITH SAID DRIVING MEMBER, AND MEANS FOR DISENGAGING SAID PINION AND SAID COUPLING MEMBER WHEREBY SAID PINION ROTATES ON SAID SHAFT INDEPENDENTLY OF SAID COUPLING MEMBER AND SAID DRIVING MEMBER.
Claim 2
Dependent Claim
122 words
A BRAKE OPERATING MECHANISM COMPRISING A ROTATABLE SHAFT, A DRIVING MEMBER MOUNTED ON SAID SHAFT, MEANS OPERABLE BY SAID SHAFT FOR MOVING SAID DRIVING MEMBER AXIALLY IN TWO OPPOSITE DIRECTIONS UPON RELATIVE ROTATION BETWEEN SAID SHAFT AND SAID DRIVING MEMBER, A DETENT MEMBER ADAPTED TO BE CLAMPED TO AND UNCLAMPED FROM SAID DRIVING MEMBER BY SUCH AXIAL MOVEMENT, A COUPLING MEMBER SLIDABLY MOUNTED ON SAID DRIVING MEMBER AND ROTATABLE THEREWITH, A PINION ROTATABLY MOUNTED ON SAID SHAFT, MEANS FOR URGING SAID COUPLING MEMBER INTO ENGAGEMENT WITH SAID PINION WHEREBY SAID PINION ROTATES WITH SAID DRIVING MEMBER, AND MEANS FOR DISENGAGING SAID PINION AND SAID COUPLING MEMBER WHEREBY SAID PINION ROTATES ON SAID SHAFT INDEPENDENTLY OF SAID COUPLING MEMBER AND SAID DRIVING MEMBER.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |