Apparatus and method for straightening deformed rolls of sheet stock
Abstract
Abstract A PAIR OF SPACED-APART, OUTWARDLY CURVED SHOES ARE PROVIDED FOR RESPECTIVELY ENGAGING GENERALLY OPPOSITE INTERNAL SURFACE AREAS OF THE CORE OF A DEFORMED ROLL. A HYDRAULIC RAM IS PROVIDED EXTENDING ON AN EXIST BETWEEN THE SHOES AND HAVING A CYLINDER AND AN EXTENSIBLE PISTON ROD WHICH TERMINATES IN A PIN COAXIAL WITH THE AXIS AND HAVING A ROUNDED DISTAL END. ONE OF THE SHOES HAS A RAISED, PARTCYLINDRICAL PORTION THEREON HAVING ROLLING ENGAGEMENT WITH THE END OF THE CYLINDER REMOTE FROM THE PISTON ROD, AND THE OTHER SHOE HAS AN OPENING THEREIN WHICH REMOVABLY RECEIVES THE ROUNDED DISTAL END OF THE PISTON ROD THEREBY PROVIDING FOR PIVOTAL MOTION OF BOTH SHOES WITH RESPECT TO THE AXIS, WHEREBY THE SHOES GENERALLY CONFORM TWO TO AN OUT-OF-ROUND CONFIGURATION OF THE CORE WITHOUT EXERTING SIDE LOADING ON THE RAM WHEN THE PISTON ROD THEREOF IX EXTENDED.
Inventors
- 👤 James J Van Gompel
Bibliographic Details
Claims Analysis
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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) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |