Patent US3302960A successfully refreshed from Google Patents.
US3302960A
Expired / Lapsed
US
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Locking device with rolling detents
Assignee: Individual
•
Filing: 1964-03-20
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Granted: 1967-02-07
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Adolf L Herrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:56
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/165; Y; Y10; Y10T; Y10T403/00; Y10T403/59; Y10T403/599
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A LOCKING DEVICE: (A) A MEMBER COMPRISING A WALL PORTION WITH AN APERTURE EXTENDING THERETHROUGH; (B) A PAIR OF ROUNDED ELEMENTS DISPOSED IN ABUTTING RELATIONSHIP IN SAID APERTURE; (C) A RECIPROCATING BLOCKING ELEMENT CLOSING ONE END OF SAID APERTURE AND ENGAGING ONE OF SAID ROUNDED ELEMENTS; (D) THE SIDEWALL OF SAID APERTURE ADJACENT SAID ONE ROUNDED ELEMENT HAVING AN OPENING OF A SIZE SUFFICIENT TO ADMIT PASSAGE OF SAID ONE ROUNDED ELEMENT TO PERMIT ROLLING OF SAID ONE ROUNDED ELEMENT OVER THE OTHER OF SAID PAIR OF ROUNDED ELEMENTS IN A DIRECTION LATERALLY OF SAID APERTURE; (E) MEANS FOR PREVENTING MOVEMENT OF THE OTHER OF SAID PAIR OF ROUNDED ELEMENTS AWAY FROM ABUTMENT WITH SAID ONE ROUNDED ELEMENT; (F) SAID LATERAL ROLLING OF SAID ONE ROUNDED ELEMENT BEING RESPONSIVE TO RECIPROCATION OF SAID BLOCKING ELEMENT.
Claim 2
Dependent Claim
136 words
IN A LOCKING DEVICE: (A) A MEMBER COMPRISING A WALL PORTION WITH AN APERTURE EXTENDING THERETHROUGH; (B) A PAIR OF ROUNDED ELEMENTS DISPOSED IN ABUTTING RELATIONSHIP IN SAID APERTURE; (C) A RECIPROCATING BLOCKING ELEMENT CLOSING ONE END OF SAID APERTURE AND ENGAGING ONE OF SAID ROUNDED ELEMENTS; (D) THE SIDEWALL OF SAID APERTURE ADJACENT SAID ONE ROUNDED ELEMENT HAVING AN OPENING OF A SIZE SUFFICIENT TO ADMIT PASSAGE OF SAID ONE ROUNDED ELEMENT TO PERMIT ROLLING OF SAID ONE ROUNDED ELEMENT OVER THE OTHER OF SAID PAIR OF ROUNDED ELEMENTS IN A DIRECTION LATERALLY OF SAID APERTURE; (E) MEANS FOR PREVENTING MOVEMENT OF THE OTHER OF SAID PAIR OF ROUNDED ELEMENTS AWAY FROM ABUTMENT WITH SAID ONE ROUNDED ELEMENT; (F) SAID LATERAL ROLLING OF SAID ONE ROUNDED ELEMENT BEING RESPONSIVE TO RECIPROCATION OF SAID BLOCKING ELEMENT.
References Cited (Backward Citations)
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Cited
US2238583A
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US2297548A
Cited
GB575355A
Cited
FR915371A
Cited
US2599003A
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US3001752A
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |