US3743314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle longitudinal torsion member
Assignee: Individual
•
Filing: 1971-05-25
•
Granted: 1973-07-03
•
Expires: 1991-05-25
Abstract
Abstract A vehicle for traversing rough terrain having a torsion member extending between front and rear support members and means movably mounting the vehicle frame with respect to the torsion member.
Inventors
- 👤 J Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:48
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
129 words
A vehicle for traversing uneven terrain comprising, a first member at one end of said vehicle for supporting groundengaging means, a second member at the other end of said vehicle supporting second ground-engaging means, an elongated, one-piece torsion element extending between said first and second members and centrally of said vehicle, means fixedly securing the ends of said element respectively to said first and second members, chassis support means freely rotatably mounted about said element, a chasis affixed to said chassis support means, and adjustable linkage means connecting said torsion element to said chassis, said linkage means comprising a lug member fixedly attached to said torsion member and a link member pivotally attached at one end to the lug and pivotally attached at the other end to said chassis.
Claim 2
Dependent Claim
129 words
A vehicle for traversing uneven terrain comprising, a first member at one end of said vehicle for supporting groundengaging means, a second member at the other end of said vehicle supporting second ground-engaging means, an elongated, one-piece torsion element extending between said first and second members and centrally of said vehicle, means fixedly securing the ends of said element respectively to said first and second members, chassis support means freely rotatably mounted about said element, a chasis affixed to said chassis support means, and adjustable linkage means connecting said torsion element to said chassis, said linkage means comprising a lug member fixedly attached to said torsion member and a link member pivotally attached at one end to the lug and pivotally attached at the other end to said chassis.
Claim 3
Dependent Claim
11 words
The invention of claim 1 wherein said ground-engaging means are wheels.
Claim 4
Dependent Claim
17 words
The invention of claim 1 wherein said chassis support means is comprised of a plurality of brackets.
Claim 5
Dependent Claim
14 words
The invention of claim 3 wherein bolt means affix said chassis to said brackets.
Claim 6
Dependent Claim
11 words
The invention of claim 3 wherein said securing means are welds.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |