US3167164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutches
Assignee: Whitnash PLC
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Filing: 1962-07-30
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Granted: 1965-01-26
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Albert N Bland
- 👤 Downs John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:21
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/46; F16D13/48; F16D13/50; F16D25/00; F16D25/08; F16D25/082; F16D25/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A DIAPHRAGM SPRING CLUTCH DEVICE COMPRISING A ROTATABLE DRIVING MEMBER, A DRIVE PRSSURE CLUTCH PLATE DISPOSED ON ONE SIDE OF SAID DRIVING MEMBER, AND A DRIVEN CLUTCH PLATE DISPOSED BETWEEN SAID PRESSURE CLUTCH PLATE AND DRIVING MEMBER, AN ANNULAR THRUST PLATE DISPOSED ON THE OPPOSITE SIDE OF SAID DRIVING MEMBER, MEANS CONNECTING SAID THRUST PLATE TO SAID ROTATABLE DRIVING MEMBER FOR ROTATON THEREWITH AND TO SAID PRESSURE CLUTCH PLATE FOR AXIAL MOVEMENT THEREWITH, MEANS FOR SECURING A DIAPHRAGM SPRING TO SAID ANNULAR THRUST PLATE, AN ANNULAR DIAPHRAGM SPRING SECURED TO SAID THRUST PLATE, SAID SPRING
Claim 2
Dependent Claim
95 words
A DIAPHRAGM SPRING CLUTCH DEVICE COMPRISING A ROTATABLE DRIVING MEMBER, A DRIVE PRSSURE CLUTCH PLATE DISPOSED ON ONE SIDE OF SAID DRIVING MEMBER, AND A DRIVEN CLUTCH PLATE DISPOSED BETWEEN SAID PRESSURE CLUTCH PLATE AND DRIVING MEMBER, AN ANNULAR THRUST PLATE DISPOSED ON THE OPPOSITE SIDE OF SAID DRIVING MEMBER, MEANS CONNECTING SAID THRUST PLATE TO SAID ROTATABLE DRIVING MEMBER FOR ROTATON THEREWITH AND TO SAID PRESSURE CLUTCH PLATE FOR AXIAL MOVEMENT THEREWITH, MEANS FOR SECURING A DIAPHRAGM SPRING TO SAID ANNULAR THRUST PLATE, AN ANNULAR DIAPHRAGM SPRING SECURED TO SAID THRUST PLATE, SAID SPRING
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |