US3147048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track roller for a track-laying vehicle
Assignee: Saab Bofors AB
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Filing: 1960-12-09
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Granted: 1964-09-01
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Johnson Alf Alvar Hampus
- 👤 Aldrin Henry Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:14
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/14; B62D55/15; B62D55/096; B62D55/0966; F; F16; F16C; F16C13/00; F16C13/02; F16C27/00; F16C27/06; F16C27/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A TRACK ROLLER FOR ASSEMBLY ON AN AXLE OF A TRACKLAYING VEHICLE, SAID TRACK ROLLER COMPRISING AN INNER BEARING SLEEVE HAVING TWO SYMMETRIC, LONGITUDINALLY ALIGNED HALVES, THE OUTER DIAMETER OF SAID SLEEVE INCREASING FROM THE MID PORTION OF THE SLEEVE TOWARDS THE OUTER ENDS THEREOF, SAID SLEEVE BEING ADAPTED AND CONSTRUCTED TO BE ROTATABLY MOUNTED ON SAID AXLE, AN OUTER ROLLER SLEEVE ENCOMPASSING THE INNER SLEEVE COAXIALLY THEREWITH AND HAVING AN INNER PERIPHERAL CONFIGURATION SUBSTANTIALLY MATCHING THE OUTER PERIPHERAL CONFIGURATION OF THE INNER SLEEVE, AN ELASTIC LAYER SANDWICHED BETWEEN THE INNER AND THE OUTER SLEEVE ALONG THE SLANTED PORTIONS THEREOF, AND RELEASABLE LOCKING MEANS SECURING THE TWO HALVES OF THE INNER SLEEVE TO EACH OTHER AT THE FACING ENDS THEREOF, SAID LOCKING MEANS INCLUDING TWO LUGS EXTENDING FROM THE FAC-
Claim 2
Dependent Claim
130 words
A TRACK ROLLER FOR ASSEMBLY ON AN AXLE OF A TRACKLAYING VEHICLE, SAID TRACK ROLLER COMPRISING AN INNER BEARING SLEEVE HAVING TWO SYMMETRIC, LONGITUDINALLY ALIGNED HALVES, THE OUTER DIAMETER OF SAID SLEEVE INCREASING FROM THE MID PORTION OF THE SLEEVE TOWARDS THE OUTER ENDS THEREOF, SAID SLEEVE BEING ADAPTED AND CONSTRUCTED TO BE ROTATABLY MOUNTED ON SAID AXLE, AN OUTER ROLLER SLEEVE ENCOMPASSING THE INNER SLEEVE COAXIALLY THEREWITH AND HAVING AN INNER PERIPHERAL CONFIGURATION SUBSTANTIALLY MATCHING THE OUTER PERIPHERAL CONFIGURATION OF THE INNER SLEEVE, AN ELASTIC LAYER SANDWICHED BETWEEN THE INNER AND THE OUTER SLEEVE ALONG THE SLANTED PORTIONS THEREOF, AND RELEASABLE LOCKING MEANS SECURING THE TWO HALVES OF THE INNER SLEEVE TO EACH OTHER AT THE FACING ENDS THEREOF, SAID LOCKING MEANS INCLUDING TWO LUGS EXTENDING FROM THE FAC-
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |