Patent US3228209A successfully refreshed from Google Patents.
US3228209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiting flexible coupling
Assignee: Individual
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Filing: 1964-03-18
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Granted: 1966-01-11
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Richard A Hersey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:22
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; F16D7/042; F16D2300/00; F16D2300/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A SPRING-LOADED CLUTCH ASSEMBLY HAVING A VARIABLE TORQUE RATING, (A) A PAIR OF AXIALLY ALIGNED RESILIENT COOPERATING DISCLIKE CLUTCH ELEMENTS HAVING (1) CENTRAL HUB PORTIONS AND (2) PERIPHERAL PORTIONS WHICH ARE AXIALLY OFFSET TOWARD EACH OTHER AT CIRCUMFERENTIALLY SPACED POINTS FROM THE PLANES OF THE RESPECTIVE HUB PORTIONS WHEREBY TO YIELDINGLY BIAS AND HUB PORTIONS APART, (B) A PAIR OF ANNULAR CONCENTRIC HOUSING MEMBERS ENCOMPASSING SAID CLUTCH ELEMENTS, SAID HOUSING MEMBERS BEING FORMED TO PROVIDE (1) ANNULAR SIDE WALL PORTIONS, (2) GENERALLY CYLINDRICAL PERIPHERAL WALL PORTIONS WHICH HAVE SCREW THREADED ENGAGEMENT WITH EACH OTHER AND (3) AXIALLY OUTWARDLY EXTENDING CONCENTRIC CENTRAL BEARING PORTIONS, (C) EACH OF SAID HUB PORTIONS DEFINING AXIALLY OUTWARDLY EXTENDING TRUNNIONS WHICH EXTEND THROUGH AND ARE JOURNALLED FOR ROTATION IN ONE OF SAID BEARING PORTIONS, (D) SAID SIDE WALL PORTIONS OF SAID MAINTAINING SAID ENGAGEMENT ADJACENT HUB PORTIONS AND MAINTAINING SAID PERIPHERIAL PORTIONS OF SAID CLUTCH ELEMENTS IN ENGAGEMENT WITH EACH OTHER UNDER AXIAL COMPRESSION, (E) ROTATIVE ADJUSTMENT OF ONE OF SAID HOUSING MEMBERS WITH RESPECT TO THE OTHER THEREOF VARYING SAID COMPRESSION.
Claim 2
Dependent Claim
177 words
IN A SPRING-LOADED CLUTCH ASSEMBLY HAVING A VARIABLE TORQUE RATING, (A) A PAIR OF AXIALLY ALIGNED RESILIENT COOPERATING DISCLIKE CLUTCH ELEMENTS HAVING (1) CENTRAL HUB PORTIONS AND (2) PERIPHERAL PORTIONS WHICH ARE AXIALLY OFFSET TOWARD EACH OTHER AT CIRCUMFERENTIALLY SPACED POINTS FROM THE PLANES OF THE RESPECTIVE HUB PORTIONS WHEREBY TO YIELDINGLY BIAS AND HUB PORTIONS APART, (B) A PAIR OF ANNULAR CONCENTRIC HOUSING MEMBERS ENCOMPASSING SAID CLUTCH ELEMENTS, SAID HOUSING MEMBERS BEING FORMED TO PROVIDE (1) ANNULAR SIDE WALL PORTIONS, (2) GENERALLY CYLINDRICAL PERIPHERAL WALL PORTIONS WHICH HAVE SCREW THREADED ENGAGEMENT WITH EACH OTHER AND (3) AXIALLY OUTWARDLY EXTENDING CONCENTRIC CENTRAL BEARING PORTIONS, (C) EACH OF SAID HUB PORTIONS DEFINING AXIALLY OUTWARDLY EXTENDING TRUNNIONS WHICH EXTEND THROUGH AND ARE JOURNALLED FOR ROTATION IN ONE OF SAID BEARING PORTIONS, (D) SAID SIDE WALL PORTIONS OF SAID MAINTAINING SAID ENGAGEMENT ADJACENT HUB PORTIONS AND MAINTAINING SAID PERIPHERIAL PORTIONS OF SAID CLUTCH ELEMENTS IN ENGAGEMENT WITH EACH OTHER UNDER AXIAL COMPRESSION, (E) ROTATIVE ADJUSTMENT OF ONE OF SAID HOUSING MEMBERS WITH RESPECT TO THE OTHER THEREOF VARYING SAID COMPRESSION.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |