US4089542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible vehicle
Assignee: Individual
•
Filing: 1976-08-16
•
Granted: 1978-05-16
•
Expires: 1996-08-16
Abstract
Abstract A foldable vehicle is adapted to be transported in its own container on the back of a motor home, yacht, or the like, for storage or shipping. The vehicle is motorized and has a chassis and a plurality of wheels along with passenger seats. The vehicle has means for raising and lowering the wheels relative to the chassis between an operative position and a collapsed position. In addition, the hood, window frame, steering wheel column, steering wheel, seats, and roll bar fold to provide a compact, folded vehicle for a shipping or storage container.
Inventors
- 👤 William J. Westerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:27
CPC Classifications
B; B62; B62D; B62D31/00; B62D31/003; B60; B60F; B60F5/00; B60F5/003; B60F5/006; B60P; B60P3/00; B60P3/06; B60P3/07; B60R; B60R9/00; B60R9/08; B62D63/00; B62D63/02
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
161 words
A foldable vehicle comprising in combination: a chassis; a plurality of wheels, each mounted to one of a plurality of axles; at least one seat; a plurality of axle suspending members, each member having a bell crank pinned between its ends to said chassis and having one axle attached to at least one arm of one said bell crank; means for lowering said chassis relative to said wheels from an erected position to a folded position, said means including means for locking said wheels in an operative position for movably supporting said chassis; and at least one folding lever movably attached to said chassis and connected to a second arm of each of said plurality of bell cranks through a plurality of tie rods connecting said folding lever to each axle suspending member whereby movement of said lever will move said tie rod and axle suspending member to raise and lower said axle and wheels attached thereto relative to said chassis.
Claim 2
Dependent Claim
161 words
A foldable vehicle comprising in combination: a chassis; a plurality of wheels, each mounted to one of a plurality of axles; at least one seat; a plurality of axle suspending members, each member having a bell crank pinned between its ends to said chassis and having one axle attached to at least one arm of one said bell crank; means for lowering said chassis relative to said wheels from an erected position to a folded position, said means including means for locking said wheels in an operative position for movably supporting said chassis; and at least one folding lever movably attached to said chassis and connected to a second arm of each of said plurality of bell cranks through a plurality of tie rods connecting said folding lever to each axle suspending member whereby movement of said lever will move said tie rod and axle suspending member to raise and lower said axle and wheels attached thereto relative to said chassis.
Claim 3
Dependent Claim
24 words
The apparatus in accordance with claim 1 in which said lever includes a safety latching mechanism for latching said lever in the erected position.
Claim 4
Dependent Claim
20 words
The apparatus in accordance with claim 2 in which said levers are formed into a roll bar for the vehicle.
Claim 5
Dependent Claim
36 words
The apparatus in accordance with claim 1 in which at least one axle suspending member has a counterbalancing spring attached thereto and to said chassis for counterbalancing the movement of said wheels relative to said chassis.
Claim 6
Dependent Claim
38 words
The apparatus in accordance with claim 4 in which a pair of levers are formed into said roll bar have two front tie rods attached thereto and two rear tie rods attached thereto for actuating four wheels simultaneously.
Claim 7
Dependent Claim
49 words
The apparatus in accordance with claim 5 in which each front wheel tie rod is connected to a bell crank arm rotatably attached to said chassis and each rear wheel tie rod is attached to a bell crank attached to said chassis for actuation of all four wheels simultaneously.
Claim 8
Dependent Claim
34 words
The apparatus in accordance with claim 6 in which said front wheel tie rods have resilient members attached thereto for providing spring action between said front wheel tie rods and said axle suspending members.
Claim 9
Dependent Claim
28 words
The apparatus in accordance with claim 7 in which each said rear tie rod has resilient members attached thereto for providing a resilient support to said rear wheels.
Claim 10
Dependent Claim
46 words
The apparatus in accordance with claim 8 in which said resilient members are rubber spheres having passageways therethrough for sliding onto said tie rods and locking members for locking said rubber spheres between the end of said tie rods and said front and rear bell cranks.
Claim 11
Dependent Claim
27 words
The apparatus in accordance with claim 6 in which said tie rods and bell cranks form a toggle mechanism for locking said wheels in an operating position.
Claim 12
Dependent Claim
30 words
The apparatus in accordance with claim 1 in which said chassis has a hood rotatably attached thereto whereby said hood may be lowered from erected porition to a folded position.
Claim 13
Dependent Claim
40 words
The apparatus in accordance with claim 11 in which a window frame is rotatably attached to said chassis and said window frame has an erected position and folded position and means for locking said window frame in its erected position.
Claim 14
Dependent Claim
37 words
The apparatus in accordance with claim 12 in which a support frame member is disconnectably attached between said roll bar and said window frame in their erected positions for locking said window frame in its erected position.
Claim 15
Dependent Claim
25 words
The apparatus in accordance with claim 12 in which said window frame has a steering box and steering wheel mounted thereto for steering said vehicle.
Claim 16
Dependent Claim
28 words
The apparatus in accordance with claim 14 in which said steering box has a rack and pinion gears therein operatively coupled to said steering wheel for movement thereby.
Claim 17
Dependent Claim
39 words
The apparatus in accordance with claim 15 in which flexible cables are attached from said rack and pinion gears in said steering box to a steering rod for steering said vehicle wheels responsive to movement of said steering wheel.
Claim 18
Dependent Claim
30 words
The apparatus in accordance with claim 12 in which said hood is connected to said window frame and collapses to its folded position in response to folding said window frame.
Claim 19
Dependent Claim
31 words
The apparatus in accordance with claim 17 in which said seats include folding means for folding the upright positions of said seats from a first erected position to a folded position.
Claim 20
Dependent Claim
30 words
The apparatus in accordance with claim 18 in which said roll bar is movable from an erected position to a folded position and simultaneously lowers said chassis over said wheels.
Claim 21
Dependent Claim
22 words
The apparatus in accordance with claim 19 in which said window frame has a steering wheel attached thereto and is foldable therewith.
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) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |