Patent US3207291A successfully refreshed from Google Patents.
US3207291A
Expired / Lapsed
US
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Idler rollers
Assignee: Individual
•
Filing: 1961-11-03
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Granted: 1965-09-21
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Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard S Barnish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:55
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN AN IDLER ROLLER ASSEMBLY, A SHAFT, A ROLLER BODY SURROUNDING SAID SHAFT AND ROTATABLE THEREABOUT, A RESILIENT COLLAR ON SAID SHAFT ADJUSTABLE AXIALLY THEREOF TOWARDS SAID ROLLER BODY, SAID COLLAR BEING NORMALLY IN LIGHT CONTACT WITH SAID ROLLER BODY TO PREVENT FOREIGN MATTER FROM MOVING INWARDLY OF SAID BODY BEYOND THE AREA OF SAID CONTACT OF SAID BODY WITH SAID COLLAR, MEANS MAINTAINING SAID COLLAR IN AN AXIALLY ADJUSTED POSITION RELATIVE TO SAID SHAFT AND SAID ROLLER BODY, A SUPPORTING BRACKET HAVING A U-SHAPED SLOT THEREIN, SAID COLLAR HAVING A PORTION IN ITS NORMAL UNDISTORTED STATE SLIGHTLY GREATER IN WIDTH THAN THE WIDTH OF SAID SLOT, SAID PORTION BEING DEFORMABLE TO BE ACCOMMODATED IN SAID SLOT, AND MEANS FOR APPLYING A FORCE AXIALLY OF SAID SHAFT TO PRESS SAID PORTION AGAINST THE BRACKET WHEN SAID PORTION IS ACCOMMODATED WITHIN THE U-SHAPED SLOT.
Claim 2
Dependent Claim
143 words
IN AN IDLER ROLLER ASSEMBLY, A SHAFT, A ROLLER BODY SURROUNDING SAID SHAFT AND ROTATABLE THEREABOUT, A RESILIENT COLLAR ON SAID SHAFT ADJUSTABLE AXIALLY THEREOF TOWARDS SAID ROLLER BODY, SAID COLLAR BEING NORMALLY IN LIGHT CONTACT WITH SAID ROLLER BODY TO PREVENT FOREIGN MATTER FROM MOVING INWARDLY OF SAID BODY BEYOND THE AREA OF SAID CONTACT OF SAID BODY WITH SAID COLLAR, MEANS MAINTAINING SAID COLLAR IN AN AXIALLY ADJUSTED POSITION RELATIVE TO SAID SHAFT AND SAID ROLLER BODY, A SUPPORTING BRACKET HAVING A U-SHAPED SLOT THEREIN, SAID COLLAR HAVING A PORTION IN ITS NORMAL UNDISTORTED STATE SLIGHTLY GREATER IN WIDTH THAN THE WIDTH OF SAID SLOT, SAID PORTION BEING DEFORMABLE TO BE ACCOMMODATED IN SAID SLOT, AND MEANS FOR APPLYING A FORCE AXIALLY OF SAID SHAFT TO PRESS SAID PORTION AGAINST THE BRACKET WHEN SAID PORTION IS ACCOMMODATED WITHIN THE U-SHAPED SLOT.
References Cited (Backward Citations)
US1292799A
Cited
US1655335A
Cited
US2757988A
Cited
GB787984A
Cited
US2803416A
Cited
US2869710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |