US3309864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible link connection
Assignee: Westinghouse Air Brake Co
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Filing: 1964-11-06
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Granted: 1967-03-21
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Charles J Arndt
- 👤 Silks Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:20
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16G; F16G13/00; F16G13/12; F16B; F16B2200/00; F16B2200/69; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A FLEXIBLE LINK CHAIN, MEANS FOR AXIALLY SECURING A ROTATABLE HINGE JOINT COMPRISING: A CHAIN LINK HAVING A CIRCULAR APERTURE EXTENDING THERETHROUGH PROVIDED WITH AN ANNULAR GROOVE BETWEEN THE ENDS THEREOF; A PIN ROTATABLE IN SAID CIRCULAR APERTURE HAVING AN AXIAL INTERNALLY THREADED END PORTION COMMUNICATING WITH A RADIAL PASSAGEWAY; A DETENT SLIDEABLE ALONG SAID PASSAGEWAY TOWARD AND FROM SAID ANNULAR GROOVE; AND A THREADED LOCKING MEMBER ENGAGEABLE WITH THE THREADED END PORTION OF SAID PIN AND WITH SAID DETENT, EFFECTIVE TO MOFE SAID DETENT INTO ENGAGEMENT WITH SAID ANNULAR GROOVE RESPONSIVE TO PROGRESSION OF SAID LOCKING MEMBER IN SAID PIN.
Claim 2
Dependent Claim
102 words
IN A FLEXIBLE LINK CHAIN, MEANS FOR AXIALLY SECURING A ROTATABLE HINGE JOINT COMPRISING: A CHAIN LINK HAVING A CIRCULAR APERTURE EXTENDING THERETHROUGH PROVIDED WITH AN ANNULAR GROOVE BETWEEN THE ENDS THEREOF; A PIN ROTATABLE IN SAID CIRCULAR APERTURE HAVING AN AXIAL INTERNALLY THREADED END PORTION COMMUNICATING WITH A RADIAL PASSAGEWAY; A DETENT SLIDEABLE ALONG SAID PASSAGEWAY TOWARD AND FROM SAID ANNULAR GROOVE; AND A THREADED LOCKING MEMBER ENGAGEABLE WITH THE THREADED END PORTION OF SAID PIN AND WITH SAID DETENT, EFFECTIVE TO MOFE SAID DETENT INTO ENGAGEMENT WITH SAID ANNULAR GROOVE RESPONSIVE TO PROGRESSION OF SAID LOCKING MEMBER IN SAID PIN.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |