US3263783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscous drive coupling
Assignee: Eaton Corp
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Filing: 1963-10-14
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Granted: 1966-08-02
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Sutaruk Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:38
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/042; F16; F16D; F16D35/00; F16D35/02; F16D35/021; F16D35/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A FLUID COUPLING COMPRISING FIRST AND SECOND RELATIVELY ROTATABLE COUPLING MEMBERS, SAID FIRST COUPLING MEMBER HAVING AXIALLY SPACED SURFACES EACH OF WHICH HAS A PLURALITY OF RADIALLY SPACED PROJECTIONS EXTENDING THEREFROM AND SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF SAID COUPLING MEMBERS, SAID SECOND COUJPLING MEMBER HAVING A PLURALITY OF PROJECTIONS INTERFITTING WITH THE PLURALITY OF SPACED PROJECTIONS ON SAID FIRST COUPLING MEMBER, AND SAID PROJECTIONS ON SAID FIRST COUPLING MEMBERS PROVIDING OPPOSED SUBSTANTIALLY PARALLEL SPACED SURFACES HAVING A SHEAR SPACE THEREBETWEEN AND COOPERABLE WITH A FLUID SHEAR MEDIUM IN SAID SHEAR SPACE TO TRANSMIT TORQUE BETWEEN SAID MEMBERS.
Claim 2
Dependent Claim
100 words
A FLUID COUPLING COMPRISING FIRST AND SECOND RELATIVELY ROTATABLE COUPLING MEMBERS, SAID FIRST COUPLING MEMBER HAVING AXIALLY SPACED SURFACES EACH OF WHICH HAS A PLURALITY OF RADIALLY SPACED PROJECTIONS EXTENDING THEREFROM AND SUBSTANTIALLY PARALLEL TO THE AXIS OF ROTATION OF SAID COUPLING MEMBERS, SAID SECOND COUJPLING MEMBER HAVING A PLURALITY OF PROJECTIONS INTERFITTING WITH THE PLURALITY OF SPACED PROJECTIONS ON SAID FIRST COUPLING MEMBER, AND SAID PROJECTIONS ON SAID FIRST COUPLING MEMBERS PROVIDING OPPOSED SUBSTANTIALLY PARALLEL SPACED SURFACES HAVING A SHEAR SPACE THEREBETWEEN AND COOPERABLE WITH A FLUID SHEAR MEDIUM IN SAID SHEAR SPACE TO TRANSMIT TORQUE BETWEEN SAID MEMBERS.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |