US3312335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt tracking device
Assignee: Beazer East Inc
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Filing: 1965-09-02
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Granted: 1967-04-04
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Expires: 1985-09-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Paris
- 👤 Charles H Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/032; B65H23/038; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/16; D; D21; D21F; D21F1/00; D21F1/36; D21F1/365; B65H2701/00; B65H2701/10; B65H2701/17; B65H2701/176; B65H2701/1762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A CONTROL FOR MAINTAINING A WEB IN A PREDETERMINED LINE OF TRAVEL COMPRISING: A PAIR OF WEB-GUIDING ROLLS EXTENDING GENERALLY TRANSVERSELY ACROSS THE WEB AND SPACED APART ALONG THE PERIPHERY OF ONE ROLL AND UNDER THE PERIPHERY OF THE OTHER ROLL, MEANS FOR PIVOTING SAID ROLLS AT ONE END, A CARRIAGE CONNECTING SAID ROLLS AT THE OTHER END, A CORRECTION MOTOR OPERABLY CONNECTED TO SAID CARRIAGE, CYCLIC MEANS FOR PERIODICALLY AS A FUNCTION TIME RENDERING SAID CORRECTION MOTOR EFFECTIVE AND INEFFECTIVE FOR POSITIONING SAID CARRIAGE, SENSING MEANS RESPONSIVE TO CHANGES IN LATERAL POSITION OF SAID WEB, AND MEANS OPERABLE IN RESPONSE TO SAID SENSING MEANS AND CONNECTED TO SAID CORRECTION MOTOR TO CAUSE SAID MOTOR TO POSITION SAID CARRIAGE DURING THE TIME PERIOD SAID MOTOR IS RENDERED EFFECTIVE THEREBY CHANGING THE TRANSVERSE POSITION OF SAID ROLLS TO MAINTAIN THE WEB ALONG A PREDETERMINED LINE OF TRAVEL.
Claim 2
Dependent Claim
146 words
A CONTROL FOR MAINTAINING A WEB IN A PREDETERMINED LINE OF TRAVEL COMPRISING: A PAIR OF WEB-GUIDING ROLLS EXTENDING GENERALLY TRANSVERSELY ACROSS THE WEB AND SPACED APART ALONG THE PERIPHERY OF ONE ROLL AND UNDER THE PERIPHERY OF THE OTHER ROLL, MEANS FOR PIVOTING SAID ROLLS AT ONE END, A CARRIAGE CONNECTING SAID ROLLS AT THE OTHER END, A CORRECTION MOTOR OPERABLY CONNECTED TO SAID CARRIAGE, CYCLIC MEANS FOR PERIODICALLY AS A FUNCTION TIME RENDERING SAID CORRECTION MOTOR EFFECTIVE AND INEFFECTIVE FOR POSITIONING SAID CARRIAGE, SENSING MEANS RESPONSIVE TO CHANGES IN LATERAL POSITION OF SAID WEB, AND MEANS OPERABLE IN RESPONSE TO SAID SENSING MEANS AND CONNECTED TO SAID CORRECTION MOTOR TO CAUSE SAID MOTOR TO POSITION SAID CARRIAGE DURING THE TIME PERIOD SAID MOTOR IS RENDERED EFFECTIVE THEREBY CHANGING THE TRANSVERSE POSITION OF SAID ROLLS TO MAINTAIN THE WEB ALONG A PREDETERMINED LINE OF TRAVEL.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |