Patent US3885642A successfully refreshed from Google Patents.
US3885642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Final drive mounting for a track-type vehicle
Assignee: Caterpillar Inc
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Filing: 1974-05-20
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Granted: 1975-05-27
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Expires: 1994-05-20
Abstract
Abstract A final drive for a track-type vehicle comprises a housing secured to a pair of overlapped and parallel outer and inner rails of a track roller frame. The housing is secured to an inner side of the outer rail by a tubular connector and to an end of the inner rail at an integral extension of the housing.
Inventors
- 👤 Calvin L Miller
- 👤 Harvey A Knell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:12
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/12; B62D55/125; B62D55/13
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
71 words
A track-type vehicle disposed for movement along a longitudinal axis thereof comprising a track roller frame having a pair of laterally spaced outer and inner rails, a final drive having a housing, and mounting means securing said housing to said frame comprising first connection means securing said housing to an inner side of said outer rail and second cOnnection means securing said housing to a rearward end of said inner rail.
Claim 2
Dependent Claim
71 words
A track-type vehicle disposed for movement along a longitudinal axis thereof comprising a track roller frame having a pair of laterally spaced outer and inner rails, a final drive having a housing, and mounting means securing said housing to said frame comprising first connection means securing said housing to an inner side of said outer rail and second cOnnection means securing said housing to a rearward end of said inner rail.
Claim 3
Dependent Claim
12 words
The vehicle of claim 1 wherein said vehicle constitutes a hydraulic excavator.
Claim 4
Dependent Claim
29 words
The vehicle of claim 1 wherein said first connection means comprises a first tubular member formed integrally with said housing and extending transversely therefrom and relative to said axis.
Claim 5
Dependent Claim
31 words
The vehicle of claim 3 wherein said second connection means comprises a second tubular member formed integrally with said housing and extending forwardly therefrom and in the direction of said axis.
Claim 6
Dependent Claim
26 words
The vehicle of claim 3 wherein said first connection means further comprises a separate tubular connector secured between said first tubular member and said outer rail.
Claim 7
Dependent Claim
35 words
The vehicle of claim 5 wherein ends of said tubular connector and said first tubular member are disposed in telescopic relationship and further comprising annular common weld means disposed in an annular groove defined therebetween.
Claim 8
Dependent Claim
67 words
The vehicle of claim 4 wherein said first connection means further comprises first weld means securing said first tubular member to said outer rail and said second connection means further comprises second weld means securing said second tubular member to said inner rail, said first and second weld means disposed in transverse and in longitudinally spaced relationship relative to each other in the direction of said axis.
Claim 9
Dependent Claim
31 words
The vehicle of claim 4 wherein ends of said second tubular member and said inner rail are disposed in telescopic relationship and weld means disposed in a peripheral groove defined therebetween.
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) | 1978-05-26 | 1978-11-25 | 1979-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-26 | 1982-11-25 | 1983-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-26 | 1986-11-25 | 1987-05-27 | $7700.00 | Window Closed / Lapsed |