US4133546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle
Assignee: Individual
•
Filing: 1977-03-28
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Granted: 1979-01-09
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Expires: 1997-03-28
Abstract
Abstract The present invention relates to a coasting vehicle which is adapted to be steered. The vehicle includes a pair of parallel platforms adapted to rotate or tilt about parallel axes, the platforms being coupled together such that the planes of the platforms remain parallel to each other through said longitudinal axes throughout any pivoted position of the platform. Wheels are mounted outboard of the platform, fore and aft thereof, and are adapted to be steered by the pivoting movement of the platform.
Inventors
- 👤 Frank Rosenblum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:11
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/035
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
123 words
A wheeled vehicle comprising a pair of elongated platforms with each platform being mounted to a fore and aft axle for pivoting movement about each of a pair of parallel longitudinal axes, means for coupling the platforms to each other such that the planes of the platforms remain parallel to each other through said longitudinal axes throughout any pivoted position of the platforms; wheels mounted on said axles outboard of the platforms; fore and aft thereof, steering means engaged by said coupling means, a pair of said wheels mounted for pivoting movement about respective vertical axes to the ends of at least one of the axles, said steering means including means for controlling the pivoting movement of the wheels pivoted to said axle.
Claim 2
Dependent Claim
123 words
A wheeled vehicle comprising a pair of elongated platforms with each platform being mounted to a fore and aft axle for pivoting movement about each of a pair of parallel longitudinal axes, means for coupling the platforms to each other such that the planes of the platforms remain parallel to each other through said longitudinal axes throughout any pivoted position of the platforms; wheels mounted on said axles outboard of the platforms; fore and aft thereof, steering means engaged by said coupling means, a pair of said wheels mounted for pivoting movement about respective vertical axes to the ends of at least one of the axles, said steering means including means for controlling the pivoting movement of the wheels pivoted to said axle.
Claim 3
Dependent Claim
21 words
A vehicle as defined in claim 1, wherein the planes of the platforms are spaced below the said parallel longitudinal axes.
Claim 4
Dependent Claim
94 words
An apparatus as defined in claim 1, wherein there are a pair of said wheels mounted to the ends of the fore axle and a pair of said wheels mounted to the ends of the aft axle, and wherein said steering means includes a king pin member in each respective vertical axis at the ends of said fore axle connecting each fore wheel, said steering means also including tracking means connected between said coupling means and said king pins for controlling the steering of said wheels in response to the pivoting of the platforms.
Claim 5
Dependent Claim
98 words
Apparatus as defined in claim 3, wherein each platform is pivotally connected to a fore and aft axle by means of individual brackets fixed to the platform and pivotally connected about parallel horizontal axes to the respective axles and wherein said coupling means includes connecting bars provided between the pairs of brackets so as to provide the coupled parallel movement of the platform, and wherein said tracking means is connected between said connecting bar and the king pins of each front wheel so as to control the steering of the wheels with the pivoting movement of the platform.
Claim 6
Dependent Claim
25 words
An apparatus as defined in claim 4, wherein releasable ski bindings are provided on the platforms for receiving mating ski boots, one on each platform.
Claim 7
Dependent Claim
40 words
An apparatus as defined in claim 1, wherein at least one of the fore and aft axles includes a braking mechanism with a lost motion action between the coupling means for the platforms and the wheels mounted on the axle.
Claim 8
Dependent Claim
69 words
An apparatus as defined in claim 6, wherein said braking mechanism includes a pair of brackets mounted on the aft axle, a rod journaled in said brackets, brake shoes secured to said rod and adapted to engage the aft wheels, and a pull wire interconnecting said rod and said coupling means for rotating said rod to cause said brake shoes to engage the wheels upon tilting of the platforms.
Claim 9
Dependent Claim
39 words
An apparatus as defined in claim 7, further comprising a tensioning device engaging said pull wire, said tensioning device providing said lost motion action so as to permit actuation of the braking mechanism upon extreme tilting of the platforms.
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) | 1982-01-08 | 1982-07-10 | 1983-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-08 | 1986-07-10 | 1987-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-08 | 1990-07-10 | 1991-01-09 | $7700.00 | Window Closed / Lapsed |