Patent US3305057A successfully refreshed from Google Patents.
US3305057A
Expired / Lapsed
US
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Free-wheel clutches
Assignee: JH Fenner and Co Ltd
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Filing: 1965-06-24
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Granted: 1967-02-21
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Expires: 1985-06-24
Abstract
No abstract record available.
Inventors
- 👤 Mcalpin Alexander Ferguson
- 👤 Rayner David Antony
- 👤 Branton William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:40
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/064; F16D41/066; F16D41/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A FREE-WHEEL CLUTCH COMPRISING IN COMBINATION AN OUTER MEMBER, AN INNER MEMBER FORMED WITH A HARDENED AND GROUND OUTER CYLINDRICAL SURFACE AND ARRANGED COAXIALLY WITHIN THE OUTER MEMBER, TWO CONCENTRIC SETS OF ROLLERS ARRANGED IN CIRCUMFENTIALLY STAGGERED RELATION BETWEEN SAID INNER AND OUTER MEMBERS, THE RADIAL CLEARANCE BETWEEN SAID INNER AND OUTER MEMBERS BEING LESS THAN THE SUM OF THE ROLLER DIAMETERS, A SLOTTED CAGE BETWEEN SAID INNER AND OUTER MEMBERS FOR CIRCUMFERENTIALLY LOCATING THE ROLLERS OF ONE ROLLER SET TO ESTABLISH AND MAINTAIN SAID STAGGERED RELATION, AND SPRING MEANS ACTING BETWEEN THE CAGE AND ONE OF THE CLUTCH MEMBERS FOR APPLYING A ROTARY BIAS TO THE CAGE THEREBY TO URGE THE CAGED SET OF ROLLERS EACH AGAINST A CO-OPERATING ROLLER OF THE OTHER SET.
Claim 2
Dependent Claim
125 words
A FREE-WHEEL CLUTCH COMPRISING IN COMBINATION AN OUTER MEMBER, AN INNER MEMBER FORMED WITH A HARDENED AND GROUND OUTER CYLINDRICAL SURFACE AND ARRANGED COAXIALLY WITHIN THE OUTER MEMBER, TWO CONCENTRIC SETS OF ROLLERS ARRANGED IN CIRCUMFENTIALLY STAGGERED RELATION BETWEEN SAID INNER AND OUTER MEMBERS, THE RADIAL CLEARANCE BETWEEN SAID INNER AND OUTER MEMBERS BEING LESS THAN THE SUM OF THE ROLLER DIAMETERS, A SLOTTED CAGE BETWEEN SAID INNER AND OUTER MEMBERS FOR CIRCUMFERENTIALLY LOCATING THE ROLLERS OF ONE ROLLER SET TO ESTABLISH AND MAINTAIN SAID STAGGERED RELATION, AND SPRING MEANS ACTING BETWEEN THE CAGE AND ONE OF THE CLUTCH MEMBERS FOR APPLYING A ROTARY BIAS TO THE CAGE THEREBY TO URGE THE CAGED SET OF ROLLERS EACH AGAINST A CO-OPERATING ROLLER OF THE OTHER SET.
References Cited (Backward Citations)
US1735125A
Cited
US3108670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |