US3093069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic web tension control system
Assignee: Harris Graphics Corp
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Filing: 1960-09-16
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Granted: 1963-06-11
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Expires: 1980-09-16
Abstract
No abstract record available.
Inventors
- 👤 Hans J Luehrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/02; B65; B65H; B65H23/00; B65H23/04; B65H23/18; B65H23/188; B65H23/1888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A ROTARY WEB PRINTING PRESS OR OTHER WEB HANDLING MACHINERY, THE COMBINATION WHICH INCLUDES A WEB SUPPLY, MEANS FOR TAKING A WEB THEREFROM UNDER TENSION, WEB PROCESSING MEANS, AND WEB TENSION CONTROL MECHANISM, EACH SAID MECHANISM COMPRISING A DRIVEN WEB FORWARDING ROLL, A DEFORMABLE SURFACED DRIVING ROLL THEREFOR OPERABLE AGAINST SAID DRIVEN ROLL, WEB ENGAGING MEANS MOVABLE BY SAID WEB ACCORDING TO CHANGE IN WEB TENSION, AND CONNECTIONS BETWEEN SAID WEB ENGAGING MEANS AND EACH DRIVEN ROLL WHEREBY SUCH MOTION OF SAID WEB ENGAGING MEANS DUE TO CHANGES IN WEB TENSION ALTERS THE PRESSURE OF THE DRIVEN ROLL AGAINST THE DRIVING ROLL AND THEREBY ITS SPEED FOR MAINTAINING WEB TENSION.
Claim 2
Dependent Claim
111 words
IN A ROTARY WEB PRINTING PRESS OR OTHER WEB HANDLING MACHINERY, THE COMBINATION WHICH INCLUDES A WEB SUPPLY, MEANS FOR TAKING A WEB THEREFROM UNDER TENSION, WEB PROCESSING MEANS, AND WEB TENSION CONTROL MECHANISM, EACH SAID MECHANISM COMPRISING A DRIVEN WEB FORWARDING ROLL, A DEFORMABLE SURFACED DRIVING ROLL THEREFOR OPERABLE AGAINST SAID DRIVEN ROLL, WEB ENGAGING MEANS MOVABLE BY SAID WEB ACCORDING TO CHANGE IN WEB TENSION, AND CONNECTIONS BETWEEN SAID WEB ENGAGING MEANS AND EACH DRIVEN ROLL WHEREBY SUCH MOTION OF SAID WEB ENGAGING MEANS DUE TO CHANGES IN WEB TENSION ALTERS THE PRESSURE OF THE DRIVEN ROLL AGAINST THE DRIVING ROLL AND THEREBY ITS SPEED FOR MAINTAINING WEB TENSION.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |