Patent US3553903A successfully refreshed from Google Patents.
US3553903A
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Control system for a tire grinding machine
Assignee: Goodyear Tire and Rubber Co
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Filing: 1967-07-31
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Granted: 1971-01-12
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Expires: 1987-07-31
Abstract
Abstract A CONTROL SYSTEM FOR A TIRE GRINDING MACHINE WHICH SELECTIVELY GRINDS OFF PORTIONS OF THE TIRE TREAD TO CORRECT VARIATIONS IN FORCED AROUND THE CIRCUMFERENCE OF THE TIRE. THE CONTROL SYSTEM GENERATES ELECTRICAL SIGNALS PROPORTIONAL TO FORCE VARIATIONS DETECTED BY A FORCE TRANSDUCER AND STORES THE SIGNALS IN A MEMORY CIRCUIT FOR TRANSMISSION THROUGH A SHIFT REGISTER DELAY CIRCUIT TO A SERVO MECHANISM WHICH MOVES A GRINDING WHEEL TO AND FROM THE TIRE.
Inventors
- 👤 William C Christie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:01
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22; G01M1/225; B; B23; B23Q; B23Q15/00; B24; B24B; B24B49/00; B24B49/16; B24B49/165; B24B5/00; B24B5/36; B24B5/366; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0633; G01M1/30; G01M1/34; G01M17/00; G01M17/007; G01M17/02; G01M17/022; G01M17/024; B29D2030/0634; B29D2030/0635; B29D2030/0638; Y; Y10; Y10S; Y10S451/00; Y10S451/92
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |