US3356040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for conveyor systems
Assignee: Borgs Fabriks AB
•
Filing: 1965-06-01
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Granted: 1967-12-05
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Fonden Per Borje
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:53
CPC Classifications
B; B61; B61B; B61B13/00; B61B13/12; B61B13/125; B61C; B61C11/00; B65; B65G; B65G35/00; B65G35/06; B65G35/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A DEVICE FOR A CONVEYOR SYSTEM USED TO TRANSPORT TRUCKS ALONG DEFINITE PATHWAYS SUCH AS TRACKS AND ON WHICH THE TRUCKS ARE PROPELLED BY FRICTIONAL CONTACT BETWEEN A ROTATING SHAFT ARRANGED PARALLEL TO THE PATHWAY AND WITH ONE OR MORE DRIVE WHEELS CARRIED BY THE TRUCK AND WHICH DRIVE WHEELS ARE POSITIONED OBLIQUELY TO THE DRIVE SHAFT, THE IMPROVEMENTS CONSISTING IN THE DRIVE WHEEL BEING MOUNTED ON AN AXLE AND ADAPTED TO SWIVEL ABOUT A SHAFT, THE SHAFT BEING DISPOSED DIRECTLY OVER THE AXLE AND ABOVE THE LONGITUDINAL AXIS OF THE DRIVE SHAFT, A SPRING HOLDING THE DRIVE WHEEL AT AN ANGLE OF APPROXIMATELY 45 DEGREES AGAINST THE DRIVE SHAFT AND CORRECTING DEVIATIONS FROM THAT ANGLE BY MOVING THE DRIVE WHEEL BACK TO ITS POSITION AT SAID ANGLE, AND PUSH RODS BY WHICH THE DRIVE WHEEL IS SWIVELLED IN RELATION TO THE DRIVE SHAFT WHEN THE TRUCK, AS IT MOVES ALONG THE TRACKS, COMES INTO CONTACT WITH AN OBJECT.
Claim 2
Independent Claim
159 words
A DEVICE FOR A CONVEYOR SYSTEM USED TO TRANSPORT TRUCKS ALONG DEFINITE PATHWAYS SUCH AS TRACKS AND ON WHICH THE TRUCKS ARE PROPELLED BY FRICTIONAL CONTACT BETWEEN A ROTATING SHAFT ARRANGED PARALLEL TO THE PATHWAY AND WITH ONE OR MORE DRIVE WHEELS CARRIED BY THE TRUCK AND WHICH DRIVE WHEELS ARE POSITIONED OBLIQUELY TO THE DRIVE SHAFT, THE IMPROVEMENTS CONSISTING IN THE DRIVE WHEEL BEING MOUNTED ON AN AXLE AND ADAPTED TO SWIVEL ABOUT A SHAFT, THE SHAFT BEING DISPOSED DIRECTLY OVER THE AXLE AND ABOVE THE LONGITUDINAL AXIS OF THE DRIVE SHAFT, A SPRING HOLDING THE DRIVE WHEEL AT AN ANGLE OF APPROXIMATELY 45 DEGREES AGAINST THE DRIVE SHAFT AND CORRECTING DEVIATIONS FROM THAT ANGLE BY MOVING THE DRIVE WHEEL BACK TO ITS POSITION AT SAID ANGLE, AND PUSH RODS BY WHICH THE DRIVE WHEEL IS SWIVELLED IN RELATION TO THE DRIVE SHAFT WHEN THE TRUCK, AS IT MOVES ALONG THE TRACKS, COMES INTO CONTACT WITH AN OBJECT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |