US3336087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient suspension for track type tractors
Assignee: Caterpillar Inc
•
Filing: 1966-02-09
•
Granted: 1967-08-15
•
Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harold L Reinsma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:22
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/14; B60; B60G; B60G11/00; B60G11/22; B62D55/084; B62D55/0847; B62D55/104; B62D55/108
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
SUSPENSION MEANS FOR A TRACK-TYPE TRACTOR COMPRISING A TRACK FRAME AT EACH SIDE OF THE TRACTOR INCLUDING A PAIR OF WALL PLATES EXTENDING LONGITUDINALLY OF THE TRACTOR AND DIVERGING DOWNWARDLY, TRACK ROLLERS DISPOSED BETWEEN THE PLATES, AND CUSHION MEANS DISPOSED BETWEEN THE PLATES AND EACH END OF EACH TRACK ROLLER WHEREBY FORCES DIRECTED UPWARDLY OF THE TRACK ROLLERS WHEREBY SHEAR AND COMPRESS THE CUSHION MEANS, THE CUSHION MEANS BEING A RUBBER-LIKE MATERIAL BONDED BETWEEN TWO METAL PLATES, MEANS FOR SECURING THE PLATES BETWEEN THE TRACK FRAME WALL PLATES AND BOTH ENDS OF THE ROLLERS, THE LAST NAMED MEANS INCLUDES A WEDGE-SHAPED ADAPTER FITTING BETWEEN EACH END OF EACH TRACK ROLLER AND ONE OF SAID TWO METAL PLATES AND HAVING MEANS TO RECEIVE THE END OF A TRACK ROLLER SHAFT.
Claim 2
Dependent Claim
129 words
SUSPENSION MEANS FOR A TRACK-TYPE TRACTOR COMPRISING A TRACK FRAME AT EACH SIDE OF THE TRACTOR INCLUDING A PAIR OF WALL PLATES EXTENDING LONGITUDINALLY OF THE TRACTOR AND DIVERGING DOWNWARDLY, TRACK ROLLERS DISPOSED BETWEEN THE PLATES, AND CUSHION MEANS DISPOSED BETWEEN THE PLATES AND EACH END OF EACH TRACK ROLLER WHEREBY FORCES DIRECTED UPWARDLY OF THE TRACK ROLLERS WHEREBY SHEAR AND COMPRESS THE CUSHION MEANS, THE CUSHION MEANS BEING A RUBBER-LIKE MATERIAL BONDED BETWEEN TWO METAL PLATES, MEANS FOR SECURING THE PLATES BETWEEN THE TRACK FRAME WALL PLATES AND BOTH ENDS OF THE ROLLERS, THE LAST NAMED MEANS INCLUDES A WEDGE-SHAPED ADAPTER FITTING BETWEEN EACH END OF EACH TRACK ROLLER AND ONE OF SAID TWO METAL PLATES AND HAVING MEANS TO RECEIVE THE END OF A TRACK ROLLER SHAFT.
References Cited (Backward Citations)
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |