Patent US3273697A successfully refreshed from Google Patents.
US3273697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for centering a conveyor belt
Assignee: —
•
Filing: —
•
Granted: 1966-09-20
•
Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:42
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/10; B65G39/12; B65G39/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
APPARATUS FOR CENTERING A CONVEYOR BELT MOUNTED ON A PULLEY AND HAVING A CONVEYING RUN AND A RETURN RUN WITH DIRECTIONS OF TRAVEL RESPECTIVELY TOWARD AND AWY FROM SAID PULLEY, SAID APPARATUS COMPRISING A BELT-TRAINING IDLER IN ROLLING CONTACT WITH SAID RETURN RUN, AN IDLER SUPPORT HOLDING SAID IDLER ROTATABLE ABOUT AN AXIS SUBSTANTIALLY PARALLEL TO THE PLANE OF TRAVEL OF SAID RETURN RUN AT THE PLACE OF SAID ROLLING CONTACT, A STATIONARY FRAME HAVING PIVOT MEANS FOR ROTATABLY SUPPORTING SAID IDLER SUPPORT ON A SECOND AXIS SUBSTANTIALLY PERPENDICULAR TO SAID PLANE OF TRAVEL OF THE RETUREN RUN, MEANS DISPOSED ADJACENT AN EDGE OF SAID CONVEYING RUN FOR SENSING THE MOVEMENT OF SAID EDGE THEREAGAINST, AND MEANS CONNECTING SAID SENSING MEANS TO SAID IDLER SUPPORT SO THAT THE MOVEMENT OF SAID EDGE OF THE CONVEYING RUN AGAINST SAID SENSING MEANS CAUSES SAID IDLER AND SAID IDLER SUPPORT TO PIVOT ABOUT SAID SECOND AXIS SO AS TO MOVE LATERALLY SAID RETURN RUN IN THE OPPOSITE DIRECTION OF SAID LATERAL MOVEMENT OF THE CONVEYING RUN.
Claim 2
Dependent Claim
173 words
APPARATUS FOR CENTERING A CONVEYOR BELT MOUNTED ON A PULLEY AND HAVING A CONVEYING RUN AND A RETURN RUN WITH DIRECTIONS OF TRAVEL RESPECTIVELY TOWARD AND AWY FROM SAID PULLEY, SAID APPARATUS COMPRISING A BELT-TRAINING IDLER IN ROLLING CONTACT WITH SAID RETURN RUN, AN IDLER SUPPORT HOLDING SAID IDLER ROTATABLE ABOUT AN AXIS SUBSTANTIALLY PARALLEL TO THE PLANE OF TRAVEL OF SAID RETURN RUN AT THE PLACE OF SAID ROLLING CONTACT, A STATIONARY FRAME HAVING PIVOT MEANS FOR ROTATABLY SUPPORTING SAID IDLER SUPPORT ON A SECOND AXIS SUBSTANTIALLY PERPENDICULAR TO SAID PLANE OF TRAVEL OF THE RETUREN RUN, MEANS DISPOSED ADJACENT AN EDGE OF SAID CONVEYING RUN FOR SENSING THE MOVEMENT OF SAID EDGE THEREAGAINST, AND MEANS CONNECTING SAID SENSING MEANS TO SAID IDLER SUPPORT SO THAT THE MOVEMENT OF SAID EDGE OF THE CONVEYING RUN AGAINST SAID SENSING MEANS CAUSES SAID IDLER AND SAID IDLER SUPPORT TO PIVOT ABOUT SAID SECOND AXIS SO AS TO MOVE LATERALLY SAID RETURN RUN IN THE OPPOSITE DIRECTION OF SAID LATERAL MOVEMENT OF THE CONVEYING RUN.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |