US3702131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt tracking system
Assignee: Xerox Corp
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Filing: 1970-12-29
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Granted: 1972-11-07
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Expires: 1990-12-29
Abstract
Abstract A BELT TRACKING ARRANGEMENT FOR USE WITH A BELT SUPPORTING ROLLER IN A BELT EMPLOYING AT LEAST THREE ROLLERS WHEREIN THE SHAFT FOR THE ROLLER IS MOUNTED FOR SHORT PIVOTAL MOVEMENT ABOUT A CONTROL AXIS NORMAL TO ITS AXIS AND WHICH LIES IN A PLANE THAT BISECTS THE ANGLE OF THE BELT RUNS ON EITHER SIDE OF THE ROLLER. THE ROLLER SHAFT IS MOUNTED BETWEEN THE LEGS OF A YOKE WHICH HAS ITS AXIS OF ROTATION IN COINCIDENCE WITH THE CONTROL AXIS.
Inventors
- 👤 David Roth Stokes
- 👤 Salvatore Latone
- 👤 William E Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:31
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/75; G03G15/754; G03G15/755; B; B65; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/16
Claims Analysis
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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) | 1975-11-07 | 1976-05-08 | 1976-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-07 | 1980-05-08 | 1980-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-07 | 1984-05-08 | 1984-11-07 | $7700.00 | Window Closed / Lapsed |