Patent US3323636A successfully refreshed from Google Patents.
US3323636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Live roller conveyor
Assignee: Individual
•
Filing: 1965-09-01
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Granted: 1967-06-06
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Robert W Gotham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:18
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A CONVEYOR COMPRISING LATERALLY SPACED SIDE RAILS EACH HAVING A NORMALLY VERTICAL WEB AND A FLANGE EXTENDING FROM AN EDGE THEREOF, A PLURALITY OF AXLES EXTENDING BETWEEN SAID SIDE RAILS, A ROLLER ROTATABLY MOUNTED ON EACH AXLE AND ADAPTED TO CARRY ARTICLES TO BE MOVED BY SAID CONVEYOR, A BELT WITH A TOP PASS FOR DRIVING SAID ROLLERS WHILE IN DIRECT ENGAGEMENT THEREWITH AND A BOTTOM PASS THEREBENEATH, A SHAFT PASSING THROUGH AN APERTURE IN THE WEB OF A SIDE RAIL, A WHEEL ROTATABLY CARRIED BY SAID SHAFT BELOW A ROLLER, SAID WHEEL HAVING A PERIPHERAL GROOVE IN WHICH SAID BELT TRAVELS, THE POSITION OF THE SHAFT IN THE WEB BEING SUCH THAT SAID SHAFT, WHEN THE PARTS ARE ASSEMBLED, MAKES AN ANGLE IN EXCESS OF 90* WITH THE PART OF SAID WEB THEREABOVE, AND MEANS VARIABLY EXERTINT RESILIENT FORCE ON SAID SHAFT IN A GENERALLY HORIZONTAL DIRECTION TO TEND TO DRAW IT INTO RIGHT ANGULAR RELATIONSHIP WITH RESPECT TO SAID WEB, FOR ADJUSTING THE UPWARD PRESSURE OF THE WHEEL ON SAID BELT TO CONTROL THE FORCE DRIVING SAID ROLLER.
Claim 2
Dependent Claim
180 words
A CONVEYOR COMPRISING LATERALLY SPACED SIDE RAILS EACH HAVING A NORMALLY VERTICAL WEB AND A FLANGE EXTENDING FROM AN EDGE THEREOF, A PLURALITY OF AXLES EXTENDING BETWEEN SAID SIDE RAILS, A ROLLER ROTATABLY MOUNTED ON EACH AXLE AND ADAPTED TO CARRY ARTICLES TO BE MOVED BY SAID CONVEYOR, A BELT WITH A TOP PASS FOR DRIVING SAID ROLLERS WHILE IN DIRECT ENGAGEMENT THEREWITH AND A BOTTOM PASS THEREBENEATH, A SHAFT PASSING THROUGH AN APERTURE IN THE WEB OF A SIDE RAIL, A WHEEL ROTATABLY CARRIED BY SAID SHAFT BELOW A ROLLER, SAID WHEEL HAVING A PERIPHERAL GROOVE IN WHICH SAID BELT TRAVELS, THE POSITION OF THE SHAFT IN THE WEB BEING SUCH THAT SAID SHAFT, WHEN THE PARTS ARE ASSEMBLED, MAKES AN ANGLE IN EXCESS OF 90* WITH THE PART OF SAID WEB THEREABOVE, AND MEANS VARIABLY EXERTINT RESILIENT FORCE ON SAID SHAFT IN A GENERALLY HORIZONTAL DIRECTION TO TEND TO DRAW IT INTO RIGHT ANGULAR RELATIONSHIP WITH RESPECT TO SAID WEB, FOR ADJUSTING THE UPWARD PRESSURE OF THE WHEEL ON SAID BELT TO CONTROL THE FORCE DRIVING SAID ROLLER.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |