Patent US3228210A successfully refreshed from Google Patents.
US3228210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bi-directional overload clutch
Assignee: Collins Radio Co
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Filing: 1964-02-06
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Granted: 1966-01-11
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Expires: 1984-02-06
Abstract
No abstract record available.
Inventors
- 👤 David K Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:46
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SLIP CLUTCH CIMPRISING A FIRST MEMBER, A SECOND MEMBER FORMED WITH A RECESS WHICH IS LARGE ENOUGH TO ALLOW SAID FIRST MEMBER TO BE RECEIVED THEREIN, SAID RECESS HAVING A VARYING EDGE AND A BOTTOM SURFACE, THE DIAMETER OF SAID VARYING EDGE INCREASING FROM THE OUTER EDGE TO THE INNER EDGE SO THAT THE INNER DIAMETER IS LARGE THAN THE OUTER DIAMETER, AND A RETAINING MEMBER RECEIVABLE IN SAID RECESS TO LOCK ONE SIDE OF SAID FIRST MEMBER AGAINST THE BOTTOM SURFACE OF SAID RECESS.
Claim 2
Dependent Claim
86 words
A SLIP CLUTCH CIMPRISING A FIRST MEMBER, A SECOND MEMBER FORMED WITH A RECESS WHICH IS LARGE ENOUGH TO ALLOW SAID FIRST MEMBER TO BE RECEIVED THEREIN, SAID RECESS HAVING A VARYING EDGE AND A BOTTOM SURFACE, THE DIAMETER OF SAID VARYING EDGE INCREASING FROM THE OUTER EDGE TO THE INNER EDGE SO THAT THE INNER DIAMETER IS LARGE THAN THE OUTER DIAMETER, AND A RETAINING MEMBER RECEIVABLE IN SAID RECESS TO LOCK ONE SIDE OF SAID FIRST MEMBER AGAINST THE BOTTOM SURFACE OF SAID RECESS.
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 |