US3342389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller to provide proper tracking of a web in a web tracking mechanism
Assignee: Eastman Kodak Co
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Filing: 1965-04-12
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Granted: 1967-09-19
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Roger A Drexler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:10
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/032; B65H23/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN AN IMPROVED WEB TRACKING ROLLER FOR MAINTAINING A WEB IN A NORMAL TRACKING POSITION, THE COMBINATION COMPRISING: SUPPORT MEANS; A DRUM PIVOTALLY MOUNTED ON SAID SUPPORT MEANS FOR SUPPORTING A WEB TRAINED THEREOVER; CAM MEANS MOUNTED ON SAID SUPPORT MEANS IN INCLINED RELATION WITH THE NORMAL AXIS OF SAID DRUM WHEN SAID WEB IS IN ITS NORMAL POSITION; WEB EDGE SENSING MEANS ENCIRCLING EACH END OF SAID DRUM AND SLIDABLY MOUNTED THEREON FOR AXIAL MOVEMENT IN RESPONSE TO LATERAL MOVEMENT OF SAID WEB FROM ITS NORMAL POSITION; A TUBE MOUNTED COAXIALLY WITHIN SAID DRUM FOR INTERCONNECTING SAID WEB EDGE SENSING MEANS; SAID WEB EDGE SENSING MEANS HAVING CAM FOLLOWERS IN ENGAGEMENT WITH SAID CAM MEANS AND COOPERATING THEREWITH FOR SIMULATANEOUSLY MOVING SAID WEB SENSING MEANS AXIALLY IN THE SAME DIRECTION, AND TRANSVERSELY TO SAID NORMAL AXIS IN OPPOSITE DIRECTIONS IN RESPONSE TO LATERAL MOVEMENT OF SAID WEB FROM ITS NORMAL POSITION, SAID MOVEMENT OF SAID WEB EDGE SENSING MEANS FORCING SAID TUBE TO TILT AND SAID DRUM TO PIVOT IN A DIRECTION TO RETURN SAID WEB TO ITS NORMAL POSITION.
Claim 2
Dependent Claim
181 words
IN AN IMPROVED WEB TRACKING ROLLER FOR MAINTAINING A WEB IN A NORMAL TRACKING POSITION, THE COMBINATION COMPRISING: SUPPORT MEANS; A DRUM PIVOTALLY MOUNTED ON SAID SUPPORT MEANS FOR SUPPORTING A WEB TRAINED THEREOVER; CAM MEANS MOUNTED ON SAID SUPPORT MEANS IN INCLINED RELATION WITH THE NORMAL AXIS OF SAID DRUM WHEN SAID WEB IS IN ITS NORMAL POSITION; WEB EDGE SENSING MEANS ENCIRCLING EACH END OF SAID DRUM AND SLIDABLY MOUNTED THEREON FOR AXIAL MOVEMENT IN RESPONSE TO LATERAL MOVEMENT OF SAID WEB FROM ITS NORMAL POSITION; A TUBE MOUNTED COAXIALLY WITHIN SAID DRUM FOR INTERCONNECTING SAID WEB EDGE SENSING MEANS; SAID WEB EDGE SENSING MEANS HAVING CAM FOLLOWERS IN ENGAGEMENT WITH SAID CAM MEANS AND COOPERATING THEREWITH FOR SIMULATANEOUSLY MOVING SAID WEB SENSING MEANS AXIALLY IN THE SAME DIRECTION, AND TRANSVERSELY TO SAID NORMAL AXIS IN OPPOSITE DIRECTIONS IN RESPONSE TO LATERAL MOVEMENT OF SAID WEB FROM ITS NORMAL POSITION, SAID MOVEMENT OF SAID WEB EDGE SENSING MEANS FORCING SAID TUBE TO TILT AND SAID DRUM TO PIVOT IN A DIRECTION TO RETURN SAID WEB TO ITS NORMAL POSITION.
References Cited (Backward Citations)
US1432832A
Cited
US3149497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |