US3236431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic self-centering roll
Assignee: Production Machinery Corp
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Filing: 1962-12-06
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Granted: 1966-02-22
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Archie R Foreman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
F; F16; F16C; F16C13/00; B; B21; B21C; B21C47/00; B21C47/34; B21C47/3408; B21C47/3425; B65; B65H; B65H23/00; B65H23/02; B65H27/00; B65H2404/00; B65H2404/10; B65H2404/11; B65H2404/112; B65H2404/1122; B65H2404/13; B65H2404/131; B65H2404/18; B65H2404/185
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN THE COMBINATION OF A RELATIVELY STIFF, MOVING STRIP HAVING A SUBSTANTIALLY UNIFORM THICKNESS ACROSS ITS WIDTH AND A CYLINDRICAL ROLL HAVING A RUBBER-LIKE COVERING FOR SUPPORTING SAID STRIP AS SAID STRIP MOVES CIRCUMFERENTIALLY ALONG SAID ROLL, SAID COVERING HAVING A UNIFORM OUTER DIAMETER IN AN AXIAL DIRECTION, THE IMPROVEMENT COMPRISING: SAID CYLINDRICAL ROLL INCLUDING A CENTRAL PORTION AND AXIALLY SPACED END PORTIONS OF SUBSTANTIAL WIDTH AND ADAPTED TO RECEIVE A PORTION OF SAID STRIP, SAID PORTIONS BEING COVERED BY SAID COVERING, SAID COVERING AT SAID END PORTIONS HAVING A RADIAL THICKNESS GREATER THAN SAID COVERING AT SAID CENTRAL PORTION, WHEREBY SAID ROLL AUTOMATICALLY CENTERS AND ALIGNS SAID MOVING STRIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |