US3298488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiting clutch
Assignee: Individual
•
Filing: 1964-09-29
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Granted: 1967-01-17
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 James A Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:01
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/28; F16D43/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CLUTCH INCLUDING: A HOUSING DEFINING A FLUID CHAMBER; AN INPUT MEMBER AND AN OUTPUT MEMBER IN SAID CHAMBER, SAID MEMBERS BEING COAXIALLY POSITIONED AND MOUNTED FOR ROTATION IN SAID CHAMBER, A FIRST OF SAID MEMBERS HAVING DETENT MEANS AND THE SECOND MEMBERS HAVING RECESSES TO MATE WITH AND RECEIVE SAID DETENT MEANS TO ROTATABLY ENGAGE THE TWO MEMBERS, PROVISION BEING MADE FOR RELATIVE AXIAL MOVEMENT BETWEEN THE HOUSING AND ONE OF SAID MEMBERS, SAID ONE MEMBER DEFINING A PISTON IN SAID CHAMBER; AND SEPARATE FLUID CONNECTIONS COMMUNICATING WITH SAID CHAMBER AT OPPOSITE SIDES OF SAID ONE MEMBER RESPECTIVELY.
Claim 2
Dependent Claim
99 words
A CLUTCH INCLUDING: A HOUSING DEFINING A FLUID CHAMBER; AN INPUT MEMBER AND AN OUTPUT MEMBER IN SAID CHAMBER, SAID MEMBERS BEING COAXIALLY POSITIONED AND MOUNTED FOR ROTATION IN SAID CHAMBER, A FIRST OF SAID MEMBERS HAVING DETENT MEANS AND THE SECOND MEMBERS HAVING RECESSES TO MATE WITH AND RECEIVE SAID DETENT MEANS TO ROTATABLY ENGAGE THE TWO MEMBERS, PROVISION BEING MADE FOR RELATIVE AXIAL MOVEMENT BETWEEN THE HOUSING AND ONE OF SAID MEMBERS, SAID ONE MEMBER DEFINING A PISTON IN SAID CHAMBER; AND SEPARATE FLUID CONNECTIONS COMMUNICATING WITH SAID CHAMBER AT OPPOSITE SIDES OF SAID ONE MEMBER RESPECTIVELY.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |