US3252347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tensioner devices
Assignee: Motors Liquidation Co
•
Filing: 1964-07-27
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Granted: 1966-05-24
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Seaman Robert Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:26
CPC Classifications
F; F02; F02B; F02B67/00; F02B67/04; F02B67/06; F16; F16H; F16H7/00; F16H7/08; F16H7/0848; F16H2007/0802; F16H2007/0806; F16H2007/0889; F16H2007/0891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CHAIN TENSIONER DEVICE, COMPRISING IN COMBINATION, A HOUSING MEMBER HAVING A CENTRAL BORE, A TENSIONER MEMBER TELESCOPICALLY RECEIVED WITHIN SAID HOUSING MEMBER AND INCLUDING MEANS EXTERNAL OF SAID HOUSING FOR ENGAGEMENT WITH A CHAIN TO BE TENSIONED, MEANS FORMING AT ONE END OF SAID HOUSING A TAPERED COUNTERRECESS COAXIAL WITH SAID CENTRAL BORE AND OPENING AT ITS LARGER DIMENSION THERETO, SAID TENSIONER MEMBER INCLUDING A REDUCED END PORTION RECEIVED WITHIN SAID COUNTERRRECESS AND PROVIDED WITH A SERIES OF FLUTES OPPOSING THE TAPERED WALL THEREOF, A PLURALITY OF ROLLER ELEMENTS EACH OF A SHAPE AND SIZE TO CONFROM CLOSELY TO EACH OF SAID FLUTES AND BEING RECEIVED BETWEEN SAID REDUCED END PORTION AND THE TAPERED WALL OF SAID COUNTER-RECESS, THE LARGER DIMENSION OF SAID COUNTERRECESS BEING SIZED RELATIVE TO
Claim 2
Dependent Claim
129 words
A CHAIN TENSIONER DEVICE, COMPRISING IN COMBINATION, A HOUSING MEMBER HAVING A CENTRAL BORE, A TENSIONER MEMBER TELESCOPICALLY RECEIVED WITHIN SAID HOUSING MEMBER AND INCLUDING MEANS EXTERNAL OF SAID HOUSING FOR ENGAGEMENT WITH A CHAIN TO BE TENSIONED, MEANS FORMING AT ONE END OF SAID HOUSING A TAPERED COUNTERRECESS COAXIAL WITH SAID CENTRAL BORE AND OPENING AT ITS LARGER DIMENSION THERETO, SAID TENSIONER MEMBER INCLUDING A REDUCED END PORTION RECEIVED WITHIN SAID COUNTERRRECESS AND PROVIDED WITH A SERIES OF FLUTES OPPOSING THE TAPERED WALL THEREOF, A PLURALITY OF ROLLER ELEMENTS EACH OF A SHAPE AND SIZE TO CONFROM CLOSELY TO EACH OF SAID FLUTES AND BEING RECEIVED BETWEEN SAID REDUCED END PORTION AND THE TAPERED WALL OF SAID COUNTER-RECESS, THE LARGER DIMENSION OF SAID COUNTERRECESS BEING SIZED RELATIVE TO
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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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |