US3071157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing device for web guiding mechanisms
Assignee: Mount Hope Machinery Ltd
•
Filing: 1959-09-09
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Granted: 1963-01-01
•
Expires: 1979-09-09
Abstract
No abstract record available.
Inventors
- 👤 John D Robertson
- 👤 Raymond H Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:39
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0212; B65H23/0208; D; D06; D06C; D06C3/00; F; F15; F15B; F15B9/00; F15B9/02; F15B9/06; D06C2700/00; D06C2700/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
APPARATUS FOR DETECTING LATERAL DEVIATION OF A TRAVELING WEB AND ADAPTED TO ACTUATE PNEUMATIC MOTIVE MEANS IN RESPONSE TO SAID DEVIATION, COMPRISING A 4-WAY VALVE ADAPTED TO CONTROL ADMISSION OF PRESSURIZED GAS TO SAID MOTIVE MEANS, AN EXPANDIBLE BELLOWS, A FLEXIBLE COUPLING CONNECTING SAID BELLOWS TO SAID VALVE, A PNEUMATIC HEAD HAVING A CHAMBER FORMED THEREIN COMMUNICATING WITH SAID BELLOWS, SAID CHAMBER BEING CONNECTED TO A SOURCE OF PRESSURIZED GAS, MEANS FOR CONTROLLING THE FLOW OF SAID GAS INTO SAID CHAMBER, SAID HEAD BEING PROVIDED WITH AN OUTLET FOR SAID GAS, A SELF-ALIGNING VALVE MEMBER FOR RESTRICTING SAID OUTLET, SAID MEMBER BEING MOUNTED ON A SENSING FINGER PIVOTABLE IN RESPONSE TO LATERAL DEVIATION OF SAID WEB, A PIN HAVING A TENSIONED PORTION FIXEDLY MOUNTED ON SAID MEMBER AND ENGAGING SAID FINGER WITH SAID HEAD, AND MAGNETIC MEANS URGING SAID VALVE MEMBER TO A CLOSED POSITION.
Claim 2
Dependent Claim
145 words
APPARATUS FOR DETECTING LATERAL DEVIATION OF A TRAVELING WEB AND ADAPTED TO ACTUATE PNEUMATIC MOTIVE MEANS IN RESPONSE TO SAID DEVIATION, COMPRISING A 4-WAY VALVE ADAPTED TO CONTROL ADMISSION OF PRESSURIZED GAS TO SAID MOTIVE MEANS, AN EXPANDIBLE BELLOWS, A FLEXIBLE COUPLING CONNECTING SAID BELLOWS TO SAID VALVE, A PNEUMATIC HEAD HAVING A CHAMBER FORMED THEREIN COMMUNICATING WITH SAID BELLOWS, SAID CHAMBER BEING CONNECTED TO A SOURCE OF PRESSURIZED GAS, MEANS FOR CONTROLLING THE FLOW OF SAID GAS INTO SAID CHAMBER, SAID HEAD BEING PROVIDED WITH AN OUTLET FOR SAID GAS, A SELF-ALIGNING VALVE MEMBER FOR RESTRICTING SAID OUTLET, SAID MEMBER BEING MOUNTED ON A SENSING FINGER PIVOTABLE IN RESPONSE TO LATERAL DEVIATION OF SAID WEB, A PIN HAVING A TENSIONED PORTION FIXEDLY MOUNTED ON SAID MEMBER AND ENGAGING SAID FINGER WITH SAID HEAD, AND MAGNETIC MEANS URGING SAID VALVE MEMBER TO A CLOSED POSITION.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |