US3832910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescopic belt tightener
Assignee: Individual
•
Filing: 1972-06-15
•
Granted: 1974-09-03
•
Expires: 1992-06-15
Abstract
Abstract A BELT TIGHTENER INCLUDES AN OUTER TUBE FIXED TO MOUNTING BRACKETS AND AN INNER TUBE TELESCOPED IN THE OUTER TUBE WITH ONE END OF THE INNER TUBE HAVING A PLATE WHICH IS CONNECTABLE TO A BEARING BLOCK FOR THE SHAFT WHICH SUPPORTS THE ENDLESS BELT. A DKEY WELDED TO THE INSIDE OF THE OUTER TUBE AND EXTENDING LONGITUDINALLY THEREOF IS RECEIVED IN A KEYWAY IN THE INSIDE TUBE TO PREVENT RELATIVE ROTATION BETWEEN THE TUBES. AN ADJUSTING BOLT EXTENDS INTO THE INNER AND OUTER TUBES AND IS THREADABLY RECEIVED BY A NUT WELDED TO THE OTHER END OF THE INSIDE TUBE.
Inventors
- 👤 C Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:48
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/44; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0889; F16H2007/0891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |