US3242874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors for conveying goods
Assignee: Fisher and Ludlow Ltd
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Filing: 1963-10-25
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Granted: 1966-03-29
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Orwin Olaf John Barclay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:26
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A POWERED TROLLEY CONVEYOR OF THE KIND COMPRISING MAIN AND BRANCH TROLLEY SUPPORTING TRACKS WITH A TRACK JUNCTION CONNECTING SAID TWO TRACKS, MAIN AND BRANCH POWERED CONVEYOR ELEMENTS EXTENDING PARALLEL TO AND ABOVE THE SAID MAIN AND BRANCH TROLLEY TRACKS AND EACH CARRYING DEPENDENT TROLLEY DRIVING DOGS HAVING FORWARDLY DIRECTED TROLLEY DRIVING FACES, A PLURALITY OF TROLLEYS SUPPORTED FROM SAID TRACKS, TWO POWER DRIVING UNITS RESPECTIVELY AND SEPARATELY POWER DRIVING SAID MAIN AND BRANCH CONVEYOR ELEMENTS, MEANS FOR TRANSFERRING TROLLEYS FROM THE BRANCH TRACK TO THE MAIN TRACK AT THE TRACK JUNCTION AND LATERALLY OFFSETTING EACH OF THE TWO CONVEYOR ELEMENTS RELATIVE TO THEIR CORRESPONDING TROLLEY SUPPORTING TRACKS, WITH THE OFFSETTING OF THE CONVEYOR ELEMENTS BEING IN DIRECTIONS OPPOSTIE TO ONE ANOTHER, MEANS MOUNTING EACH TROLLEY DRIVING DOG FOR MOVEMENT RELATIVE TO THE ASSOCIATED CONVEYOR ELEMENT BETWEEN AN UPPER INOPERATIVE POSITION AND A LOWER TROLLEY DRIVING
Claim 2
Dependent Claim
146 words
A POWERED TROLLEY CONVEYOR OF THE KIND COMPRISING MAIN AND BRANCH TROLLEY SUPPORTING TRACKS WITH A TRACK JUNCTION CONNECTING SAID TWO TRACKS, MAIN AND BRANCH POWERED CONVEYOR ELEMENTS EXTENDING PARALLEL TO AND ABOVE THE SAID MAIN AND BRANCH TROLLEY TRACKS AND EACH CARRYING DEPENDENT TROLLEY DRIVING DOGS HAVING FORWARDLY DIRECTED TROLLEY DRIVING FACES, A PLURALITY OF TROLLEYS SUPPORTED FROM SAID TRACKS, TWO POWER DRIVING UNITS RESPECTIVELY AND SEPARATELY POWER DRIVING SAID MAIN AND BRANCH CONVEYOR ELEMENTS, MEANS FOR TRANSFERRING TROLLEYS FROM THE BRANCH TRACK TO THE MAIN TRACK AT THE TRACK JUNCTION AND LATERALLY OFFSETTING EACH OF THE TWO CONVEYOR ELEMENTS RELATIVE TO THEIR CORRESPONDING TROLLEY SUPPORTING TRACKS, WITH THE OFFSETTING OF THE CONVEYOR ELEMENTS BEING IN DIRECTIONS OPPOSTIE TO ONE ANOTHER, MEANS MOUNTING EACH TROLLEY DRIVING DOG FOR MOVEMENT RELATIVE TO THE ASSOCIATED CONVEYOR ELEMENT BETWEEN AN UPPER INOPERATIVE POSITION AND A LOWER TROLLEY DRIVING
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |