Patent US3323700A successfully refreshed from Google Patents.
US3323700A
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Web driving system with driving, braking and motion sensing units adjacent each margin of the web
Assignee: Borg Warner Corp
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Filing: 1965-06-22
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Granted: 1967-06-06
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Epstein Herman
- 👤 William P Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:06
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/06; B65H23/10; B41; B41J; B41J11/00; B41J11/26; B41J11/28; B41J15/00; B41J15/16; B65C; B65C9/00; B65C9/40; B65C9/42; B65H20/00; B65H20/02; B65H20/04; B65H23/02; B65H23/032; B65H23/038; B65H23/18; B65H23/188; B65H23/1882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A SYSTEM FOR REGULATING THE DISPLACEMENT OF A WEB HAVING REFERENCE MARKS SPACED ALONG EACH EDGE OF THE WEB, COMPRISING: FIRST AND SECOND MARK-DETECTING MEANS, ONE DISPOSED ADJACENT EACH EDGE OF THE WEB, OPERABLE AS THE WEB IS DISPLACED TO DETECT THE PASSAGE OF SAID MARKS AND PROVIDE ELECTRICAL TIMING SIGNALS RELATED TO THE RATES OF MOVEMENT OF EACH EDGE OF THE WEB; DRIVE MEANS DISPOSED TO MOVE THE WEB; BRAKE MEANS DISPOSED TO HALT THE WEB; AND A CONTROL CIRCUIT, CONNECTED TO REGULATE THE SELECTIVE ENERGIZATION AND THE DE-ENERGIZATION OF THE DRIVE MEANS AND THE BRAKE MEANS AS A FUNCTION BOTH OF CONTROL SIGNALS AND OF THE ELECTRICAL TIMING SIGNALS TO MAINTAIN PROPER ALIGNMENT OF THE WEB AS IT IS STARTED AND STOPPED.
Claim 2
Independent Claim
124 words
A SYSTEM FOR REGULATING THE DISPLACEMENT OF A WEB HAVING REFERENCE MARKS SPACED ALONG EACH EDGE OF THE WEB, COMPRISING: FIRST AND SECOND MARK-DETECTING MEANS, ONE DISPOSED ADJACENT EACH EDGE OF THE WEB, OPERABLE AS THE WEB IS DISPLACED TO DETECT THE PASSAGE OF SAID MARKS AND PROVIDE ELECTRICAL TIMING SIGNALS RELATED TO THE RATES OF MOVEMENT OF EACH EDGE OF THE WEB; DRIVE MEANS DISPOSED TO MOVE THE WEB; BRAKE MEANS DISPOSED TO HALT THE WEB; AND A CONTROL CIRCUIT, CONNECTED TO REGULATE THE SELECTIVE ENERGIZATION AND THE DE-ENERGIZATION OF THE DRIVE MEANS AND THE BRAKE MEANS AS A FUNCTION BOTH OF CONTROL SIGNALS AND OF THE ELECTRICAL TIMING SIGNALS TO MAINTAIN PROPER ALIGNMENT OF THE WEB AS IT IS STARTED AND STOPPED.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |