Patent US3336765A successfully refreshed from Google Patents.
US3336765A
Expired / Lapsed
US
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Flexible coupling
Assignee: Fawick Corp
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Filing: 1965-10-22
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Granted: 1967-08-22
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Fawick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:50
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/56; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16F15/1215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A FLEXIBLE COUPLING COMPRISING A ROTATABLE OUTER COUPLING STRUCTURE, A ROTATABLE INNER COUPLING STRUCTURE EXTENDING INTO SAID OUTER COUPLING STRUCTURE AND SPACED RADIALLY THEREFROM, AND ONE OR MORE SPRING PLATES ENGAGED BETWEEN SAID COUPLING STRUCTURES TO IMPART ROTATION FROM ONE TO THE OTHER, EACH SAID SPRING PLATE HAVING A RADIALLY INWARD ANNULAR PORTION DISPOSED TRANVERSE TO THE LONGITUDINAL AXIS OF THE COUPLING AND RIGIDLY ATTACHED TO SAID INNER COUPLING STRUCTURE, A PLURALITY OF CIRCUMFERENTIALLY SPACED, RESILIENT AND FLEXIBLE SPRING FINGERS AND TWISTED SEGMENTS WHICH INTEGRALLY CONNECT SAID FINGERS TO SAID RADIALLY INWARD PORTION, SAID FINGERS EXTENDING RADIALLY OUTWARD FROM SAID RADIALLY INWARD PORTION AND BEING COUPLED TO SAID OUTWARD COUPLING STRUCTURE, SAID FINGERS BEING THIN AND FLEXIBLE CIRCUMFERENTIALLY, AND SAID OUTER COUPLING STRUCTURE HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, LONGITUDINALLY EXTENDING, INTERNAL GROOVES WHICH RESPECTIVELY RECEIVE THE OUTER ENDS OF SAID FINGERS.
Claim 2
Dependent Claim
142 words
A FLEXIBLE COUPLING COMPRISING A ROTATABLE OUTER COUPLING STRUCTURE, A ROTATABLE INNER COUPLING STRUCTURE EXTENDING INTO SAID OUTER COUPLING STRUCTURE AND SPACED RADIALLY THEREFROM, AND ONE OR MORE SPRING PLATES ENGAGED BETWEEN SAID COUPLING STRUCTURES TO IMPART ROTATION FROM ONE TO THE OTHER, EACH SAID SPRING PLATE HAVING A RADIALLY INWARD ANNULAR PORTION DISPOSED TRANVERSE TO THE LONGITUDINAL AXIS OF THE COUPLING AND RIGIDLY ATTACHED TO SAID INNER COUPLING STRUCTURE, A PLURALITY OF CIRCUMFERENTIALLY SPACED, RESILIENT AND FLEXIBLE SPRING FINGERS AND TWISTED SEGMENTS WHICH INTEGRALLY CONNECT SAID FINGERS TO SAID RADIALLY INWARD PORTION, SAID FINGERS EXTENDING RADIALLY OUTWARD FROM SAID RADIALLY INWARD PORTION AND BEING COUPLED TO SAID OUTWARD COUPLING STRUCTURE, SAID FINGERS BEING THIN AND FLEXIBLE CIRCUMFERENTIALLY, AND SAID OUTER COUPLING STRUCTURE HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED, LONGITUDINALLY EXTENDING, INTERNAL GROOVES WHICH RESPECTIVELY RECEIVE THE OUTER ENDS OF SAID FINGERS.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |