Patent US3618692A successfully refreshed from Google Patents.
US3618692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle cab suspension
Assignee: Bostrom Seating Inc
•
Filing: 1969-11-04
•
Granted: 1971-11-09
•
Expires: 1989-11-04
Abstract
Abstract An improved vehicle in which a structure extends upward from the front of the vehicle frame. A lateral arm is attached to the structure and extends rearward, where it is attached to the cab unit. A spring means suspends the cab above the vehicle frame.
Inventors
- 👤 Larry F Stikeleather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:43
CPC Classifications
B; B62; B62D; B62D33/00; B62D33/06; B62D33/063; B62D33/067; B60; B60R; B60R21/00; B60R21/02; B60R21/13; B60R21/131
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
153 words
In a vehicle having a frame, functional operating means, vehicle controls, and flexible linkage connecting said controls to said functional operating means, the improvement comprising a structure connected to said frame at one end of said vehicle and extending upward from said frame; a lateral arm having a first end attached to said structure at a portion thereof which is at least as high above the frame as the seating surface of a seat in the vehicle, said lateral arm having a second end extending from said structure and overlying a portion of said vehicle; and a vehicle cab unit comprising a floor and said seat and having said controls mounted therein, said cab unit being rigidly mounted to said second end of said lateral arm and extending downwardly therefrom, said cab unit being spaced from said frame and movable relative thereto in a vertical direction against the resistance of a spring means.
Claim 2
Dependent Claim
153 words
In a vehicle having a frame, functional operating means, vehicle controls, and flexible linkage connecting said controls to said functional operating means, the improvement comprising a structure connected to said frame at one end of said vehicle and extending upward from said frame; a lateral arm having a first end attached to said structure at a portion thereof which is at least as high above the frame as the seating surface of a seat in the vehicle, said lateral arm having a second end extending from said structure and overlying a portion of said vehicle; and a vehicle cab unit comprising a floor and said seat and having said controls mounted therein, said cab unit being rigidly mounted to said second end of said lateral arm and extending downwardly therefrom, said cab unit being spaced from said frame and movable relative thereto in a vertical direction against the resistance of a spring means.
Claim 3
Dependent Claim
34 words
The vehicle of claim 1 further characterized in that said first end of said arm is pivotally attached to said structure and said spring means is interposed between said cab unit and said frame.
Claim 4
Dependent Claim
44 words
The vehicle of claim 2 further characterized in that said arm is pivotally attached to the upper end of said structure, whereby said arm and said cab may be rotated overhead about said structure, thereby exposing the power train of said vehicle for servicing.
Claim 5
Dependent Claim
123 words
In a vehicle having a frame, functional operating means, vehicle controls, and flexible linkage connecting said controls to said functional operating means, the improvement comprising: a support structure connected to said frame at the front of said vehicle and extending upward from said frame; a lateral cantilever arm having a fixed end attached to said support structure above said frame and having a free end extending rearward from said support structure; and a vehicle cab unit, comprising a floor and a seat and having said controls mounted therein, an arm extending downwardly from said free end and attached to said cab unit, whereby said cab unit is supported by said fixed end of said cantilever arm which also acts as a spring means.
Claim 6
Dependent Claim
123 words
In a vehicle having a frame, functional operating means, vehicle controls, and flexible linkage connecting said controls to said functional operating means, the improvement comprising: a support structure connected to said frame at the front of said vehicle and extending upward from said frame; a lateral cantilever arm having a fixed end attached to said support structure above said frame and having a free end extending rearward from said support structure; and a vehicle cab unit, comprising a floor and a seat and having said controls mounted therein, an arm extending downwardly from said free end and attached to said cab unit, whereby said cab unit is supported by said fixed end of said cantilever arm which also acts as a spring means.
Claim 7
Dependent Claim
22 words
The vehicle of claim 4 further characterized in that there is a cushioning means interposed between said frame and said cab unit.
Claim 8
Dependent Claim
23 words
The vehicle of claim 4 further characterized in that a hood over the engine of said vehicle is attached to said cantilever arm.
Claim 9
Dependent Claim
27 words
The vehicle of claim 4 further characterized in that said cab unit is further comprised of a roll bar extending over the top of said cab unit.
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |