Patent US2806222A successfully refreshed from Google Patents.
Patent US3215256A successfully refreshed from Google Patents.
US3215256A
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Flexible chain and its supporting and driving means
Assignee: MCAULEY Manufacturing Inc
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Filing: 1964-03-04
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Granted: 1965-11-02
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 James H Mcauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/14; B65G19/16; F; F16; F16G; F16G13/00; F16G13/12; F16G13/14; F16H; F16H7/00; F16H7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A CHAIN COMPOSED OF INTERLOCKING LINKS, EACH OF SAID LINKS COMPRISING A BODY HAVING A PINTLE PORTION AT ITS LEADING END AND A HOOK-SHAPED BARREL PORTION AT ITS TRAILING END BOTH OF WHICH EXTEND TRANSVERSELY OF THE BODY, THE PINTLE OF ONE LINK FITTING WITHIN THE BARREL OF AN ADJACENT LINK, SAID BARREL HAVING A CONVEX BEARING SURFACE FORMED INTERMEDIATE ITS TRANSVERSE EXTENT ON ITS INNER SURFACE ENGAGING SAID PINTLE, EACH LINK HAVING A PINTLEENGAGING STOP FINGER SPACED IN SLIGHTLY LEADING RELATIONSHIP TO THE HOOK-SHAPED BARREL PORTION, SAID BODY OF EACH LINK BEING FLAT AND THE PINTLE BEING IN FLAT BAR-LIKE END HAVING A STRAIGHT INNER TRAILING EDGE AND A CURVED OUTER LEADING EDGE, SAID HOOK-SHAPED BARREL BEING ARRANGED OUT
Claim 2
Dependent Claim
120 words
A CHAIN COMPOSED OF INTERLOCKING LINKS, EACH OF SAID LINKS COMPRISING A BODY HAVING A PINTLE PORTION AT ITS LEADING END AND A HOOK-SHAPED BARREL PORTION AT ITS TRAILING END BOTH OF WHICH EXTEND TRANSVERSELY OF THE BODY, THE PINTLE OF ONE LINK FITTING WITHIN THE BARREL OF AN ADJACENT LINK, SAID BARREL HAVING A CONVEX BEARING SURFACE FORMED INTERMEDIATE ITS TRANSVERSE EXTENT ON ITS INNER SURFACE ENGAGING SAID PINTLE, EACH LINK HAVING A PINTLEENGAGING STOP FINGER SPACED IN SLIGHTLY LEADING RELATIONSHIP TO THE HOOK-SHAPED BARREL PORTION, SAID BODY OF EACH LINK BEING FLAT AND THE PINTLE BEING IN FLAT BAR-LIKE END HAVING A STRAIGHT INNER TRAILING EDGE AND A CURVED OUTER LEADING EDGE, SAID HOOK-SHAPED BARREL BEING ARRANGED OUT
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |