Patent US3726355A successfully refreshed from Google Patents.
US3726355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor sled
Assignee: Individual
•
Filing: 1971-03-25
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Granted: 1973-04-10
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Expires: 1991-03-25
Abstract
Abstract This invention relates to a motor sled or equivalent vehicle moving with the aid of one or several endless track mats, in which the support wheels of the track mat have at least partially been arranged in groups with the aid of a rocking arm system, the set of return wheels having been journalled in one end of said system. According to the invention the set of return wheels can be raised off ground contact into approximately identical position with that of the front end of the track mat.
Inventors
- 👤 V Dunder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:31
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02; B62M2027/027
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
In a motor sled and similar vehicle, as set forth in claim 1, wherein said means comprises a reversing gear, said reversing gear including a bell crank lever mounted on said body and secured to said rocking arm intermediate the point of securement of said rocking arm to said body and the location at which said support wheels are mounted on said rocking arm, and a draw wire attached to the rear end of said rocking arm adjacent said second return wheel for raising said second return wheel into position for reverse movement of the vehicle.
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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |