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US3610356A Expired / Lapsed US ⏱️ 0.0 years remaining

Snow vehicle

Assignee: Individual
•
Filing: 1969-05-20
•
Granted: 1971-10-05
•
Expires: 1989-05-20
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Abstract

Abstract A snow vehicle is disclosed herein resembling a motor ''''bike'''' having a tubular frame movably supporting an endless belt operable to drivingly engage with a snow-covered ground surface. A motor is carried on the frame beneath a seat and is operably coupled to the belt for driven rotation about shock absorbing idler rollers so that a substantial portion of the belt tread frictionally engages the ground surface. Steering mechanism in the form of a front ski is laterally, swingably mounted on the forward end of the frame by a steering column. The ski is detachably secured to the column and may be replaced by a pneumatic wheel having a strut adapted to be releasably connected to the steering column when the ski is detached.

Inventors

  • 👤 Ernest L Byar Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 00:33
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/08; A63C5/085; B; B62; B62B; B62B19/00; B62B19/04; B62M; B62M27/00; B62M27/02; B62M2027/021

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 328 words
A snow vehicle resembling a motorbike comprising: an elongated frame; front and rear rollers rotatably carried on the forward and rear ends of said frame; a flexible endless belt trained about said rollers so that a tread portion thereof drivingly engages with the ground surface; engine means mounted on said frame and operably coupled to said belt to forcibly effect belt rotation; a steering mechanism movably mounted on the forward end of said frame adapted to control the direction of vehicle travel; a seat mounted on top of said frame so as to be occupied by a driver having his legs straddled about the sides of said frame; an idler roller carried on said frame ahead of said forward roller for rotatably supporting said belt so as to provide a rearwardly and downwardly sloping ground engagement belt surface extending between said idler roller and said forward roller; driving means located midway between said front and rear rollers for connecting said engine to said belt comprising: a rotatable shaft carried by said frame between the opposing inner surfaces of said belt; means interconnecting one end of said shaft with said engine for imparting rotary movement to said shaft; a toothed sprocket gear fixed to said shaft midway between its opposite ends; gear means carried on the inner surface of said belt in mesh with said toothed gear for driving said belt in response to shaft rotation; said steering mechanism including a steering column secured to said frame; a ski positioned ahead of said belt and in axis alignment therewith; a handlebar rotatably carried in said steering column; a strut pivotally secured to said ski midway between its opposite ends and detachably engaged with said handlebar in said steering column so as to laterally rotate therewith; tensioning means carried on said frame and movably engageable with said belt to tension and take up slack therein; and shock absorbing and damping means mounting said forward and rear rollers to said frame.
Claim 2
Dependent Claim 328 words
A snow vehicle resembling a motorbike comprising: an elongated frame; front and rear rollers rotatably carried on the forward and rear ends of said frame; a flexible endless belt trained about said rollers so that a tread portion thereof drivingly engages with the ground surface; engine means mounted on said frame and operably coupled to said belt to forcibly effect belt rotation; a steering mechanism movably mounted on the forward end of said frame adapted to control the direction of vehicle travel; a seat mounted on top of said frame so as to be occupied by a driver having his legs straddled about the sides of said frame; an idler roller carried on said frame ahead of said forward roller for rotatably supporting said belt so as to provide a rearwardly and downwardly sloping ground engagement belt surface extending between said idler roller and said forward roller; driving means located midway between said front and rear rollers for connecting said engine to said belt comprising: a rotatable shaft carried by said frame between the opposing inner surfaces of said belt; means interconnecting one end of said shaft with said engine for imparting rotary movement to said shaft; a toothed sprocket gear fixed to said shaft midway between its opposite ends; gear means carried on the inner surface of said belt in mesh with said toothed gear for driving said belt in response to shaft rotation; said steering mechanism including a steering column secured to said frame; a ski positioned ahead of said belt and in axis alignment therewith; a handlebar rotatably carried in said steering column; a strut pivotally secured to said ski midway between its opposite ends and detachably engaged with said handlebar in said steering column so as to laterally rotate therewith; tensioning means carried on said frame and movably engageable with said belt to tension and take up slack therein; and shock absorbing and damping means mounting said forward and rear rollers to said frame.
Claim 3
Dependent Claim 24 words
The invention as defined in claim 1 including spring means operably carried in said steering column to absorb shocks transmitted thereto via said strut.
Claim 4
Dependent Claim 84 words
The invention as defined in claim 1 including a a brake means comprising: a brake drum rotatably carried on the end of said shaft opposite to its end carrying said engine interconnection means; a foot pedal lever pivotally mounted to said frame; and a strap encircling said drum having one end fixed to said frame and its opposite end connected to said lever whereby forward rotation of said lever draws said strap into frictional engagement with said drum to restrict rotation of said shaft.

References Cited (Backward Citations)

US3252533A Cited
US3318407A Cited
US3362492A Cited
US3404745A Cited
US3412821A Cited
US3439763A Cited
US3480096A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-04 1975-04-05 1975-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-04 1979-04-05 1979-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-04 1983-04-05 1983-10-05 $7700.00 Window Closed / Lapsed

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