US3278001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing assembly for auger conveyors
Assignee: Individual
•
Filing: 1965-02-02
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Granted: 1966-10-11
•
Expires: 1985-02-02
Abstract
No abstract record available.
Inventors
- 👤 Charles C Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:00
CPC Classifications
B; B65; B65G; B65G33/00; B65G33/24; B65G33/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A BEARING FOR USE IN A TUBULAR SCREW TYPE CONVEYOR COMPRISING A STUD PORTION FIXEDLY SECURED TO A BOTTOM WALL OF SAID CONVEYOR, A PILLOW BLOCK HAVING AN ENLARGED END PORTION AND A SHAFT EXTENDING THEREFROM, SAID SHAFT BEING ADAPTED TO BE RECEIVED AND SECURED WITHIN A CENTRAL SHAFT OF THE CONVEYOR SCREW, SAID END PORTION HAVING A BEARING RETAINING CAVIT FORMED THEREIN AND HAVING ITS TOP WALL PARTIALLY REMOVED TO PERMIT MATERIAL BEING CONVEYED AND ELEVATED BY SAID CONVEYOR TO FLOW THERETHROUGH INTO SAID CAVITY, A SLEEVE BEARING FREELY RETAINING WITHIN SAID BEARING RETAINING CAVITY AND ADAPTED TO RECEIVE STUD, SAID SLEEVE BEARING HAVING AN OUTER DIAMETER SUBSTANTIALLY SMALLER THAN THE DIAMETER OF SAID BEARING RETAINING CAVITY AND AN INNER DIAMETER SUBSTANTIALLY LARGER THAN THE DIAMETER OF SAID STUD, WHEREBY SAID
Claim 2
Dependent Claim
132 words
A BEARING FOR USE IN A TUBULAR SCREW TYPE CONVEYOR COMPRISING A STUD PORTION FIXEDLY SECURED TO A BOTTOM WALL OF SAID CONVEYOR, A PILLOW BLOCK HAVING AN ENLARGED END PORTION AND A SHAFT EXTENDING THEREFROM, SAID SHAFT BEING ADAPTED TO BE RECEIVED AND SECURED WITHIN A CENTRAL SHAFT OF THE CONVEYOR SCREW, SAID END PORTION HAVING A BEARING RETAINING CAVIT FORMED THEREIN AND HAVING ITS TOP WALL PARTIALLY REMOVED TO PERMIT MATERIAL BEING CONVEYED AND ELEVATED BY SAID CONVEYOR TO FLOW THERETHROUGH INTO SAID CAVITY, A SLEEVE BEARING FREELY RETAINING WITHIN SAID BEARING RETAINING CAVITY AND ADAPTED TO RECEIVE STUD, SAID SLEEVE BEARING HAVING AN OUTER DIAMETER SUBSTANTIALLY SMALLER THAN THE DIAMETER OF SAID BEARING RETAINING CAVITY AND AN INNER DIAMETER SUBSTANTIALLY LARGER THAN THE DIAMETER OF SAID STUD, WHEREBY SAID
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |