US3297148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor structure
Assignee: Individual
•
Filing: 1965-05-20
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Granted: 1967-01-10
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Expires: 1985-05-20
Abstract
No abstract record available.
Inventors
- 👤 Charles C Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:34
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/02; B65G65/16; B65G65/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A CONVEYOR STRUCTURE COMPRISING A MAIN CONVEYOR AND A PAIR OF SECONDARY CONVEYORS LATERALLY DISPOSED ON OPPOSITE SIDES OF SAID MAIN CONVEYOR AT ITS INPUT END, MEANS SECURED TO SAID PAIR OF SECONDARY CONVEYORS WHICH ARE OPERABLE TO INDIVIDUALLY PIVOT SAID SECONDARY CONVEYORS HORIZONTALLY AND VERTICALLY TO A DESIRED POSITION, A PAIR OF GROUND WHEELS, A FIRST AND A SECOND PAIR OF ARMS EACH HAVING ONE END THEREOF PIVOTALLY SECURED TO AN AXLE SHAFT FOR SAID GROUND WHEELS, THE OPPOSITE ENDS OF SAID FIRST AND SECOND PAIR OF ARMS BEING PIVOTALLY COUPLED TO SAID MAIN CONVEYOR IN SPACED RELATION SO AS TO FORM A TRIANGULAR RELATIONSHIP WITH SAID MAIN CONVEYOR, MEANS FOR INCREASING AND DECREASING THE LENGTH OF ONE SIDE OF SAID TRIANGLE TO ANGULARLY ADJUST THE POSITION OF SAID MAIN CONVEYOR, AND A CASTOR WHEEL ASSEMBLY ADAPTED TO SAID MAIN CONVEYOR INCLUDING MEANS FOR EXTENDING SAID RETRACTING SAID MAIN CONVEYOR.
Claim 2
Dependent Claim
151 words
A CONVEYOR STRUCTURE COMPRISING A MAIN CONVEYOR AND A PAIR OF SECONDARY CONVEYORS LATERALLY DISPOSED ON OPPOSITE SIDES OF SAID MAIN CONVEYOR AT ITS INPUT END, MEANS SECURED TO SAID PAIR OF SECONDARY CONVEYORS WHICH ARE OPERABLE TO INDIVIDUALLY PIVOT SAID SECONDARY CONVEYORS HORIZONTALLY AND VERTICALLY TO A DESIRED POSITION, A PAIR OF GROUND WHEELS, A FIRST AND A SECOND PAIR OF ARMS EACH HAVING ONE END THEREOF PIVOTALLY SECURED TO AN AXLE SHAFT FOR SAID GROUND WHEELS, THE OPPOSITE ENDS OF SAID FIRST AND SECOND PAIR OF ARMS BEING PIVOTALLY COUPLED TO SAID MAIN CONVEYOR IN SPACED RELATION SO AS TO FORM A TRIANGULAR RELATIONSHIP WITH SAID MAIN CONVEYOR, MEANS FOR INCREASING AND DECREASING THE LENGTH OF ONE SIDE OF SAID TRIANGLE TO ANGULARLY ADJUST THE POSITION OF SAID MAIN CONVEYOR, AND A CASTOR WHEEL ASSEMBLY ADAPTED TO SAID MAIN CONVEYOR INCLUDING MEANS FOR EXTENDING SAID RETRACTING SAID MAIN CONVEYOR.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |