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US3596727A Expired / Lapsed US ⏱️ 0.0 years remaining

Runner attachment for motorcycle

Assignee: Individual
•
Filing: 1969-06-02
•
Granted: 1971-08-03
•
Expires: 1989-06-02
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Abstract

Abstract A device adapted to convert a motorcycle into a vehicle adapted to be driven over snow covered surfaces including a skilike front runner for attachment to a front wheel and a similar runner for the rear wheel; the rear runner having a belt driven by power from the cycle engine.

Inventors

  • 👤 Vincent A Graham

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:45
CPC Classifications
B; B62; B62B; B62B13/00; B62B13/18; B62K; B62K13/00; B62M; B62M27/00; B62M27/02; B62M2027/021

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 103 words
Conversion means, for mounting on a motorcycle having front and rear axles and wheels mounted on said axles, comprising in combination; ski means mounted on both said axles, triangular plates mounted on at least one of said ski means, shafts journaled at each of the corners of said plates, welted belt means arranged over said shafts such that the belt extends below said ski means, said belt means being driven by at least one of said shafts, thereby forming a traction means, and drive means operably connected between said motorcycle and said traction means to drive the traction means and propel the assembly.
Claim 2
Dependent Claim 103 words
Conversion means, for mounting on a motorcycle having front and rear axles and wheels mounted on said axles, comprising in combination; ski means mounted on both said axles, triangular plates mounted on at least one of said ski means, shafts journaled at each of the corners of said plates, welted belt means arranged over said shafts such that the belt extends below said ski means, said belt means being driven by at least one of said shafts, thereby forming a traction means, and drive means operably connected between said motorcycle and said traction means to drive the traction means and propel the assembly.
Claim 3
Dependent Claim 42 words
The device of claim 1 in which each plate has an upper corner and two lower corners, a drive shaft journaled at said upper corner and operably connected to said drive means, and idler shafts journaled at each of said lower corners.
Claim 4
Dependent Claim 34 words
The device of claim 2 in which said drive means includes sprocket means N said drive shaft, chain means engaged between said sprocket means and said motorcycle whereby said chain means drives said belts.
Claim 5
Dependent Claim 20 words
The device of claim 2 in which said idler shafts are journaled in adjustable mounting means attached to said plates.
Claim 6
Dependent Claim 16 words
The device of claim 4 in which said mounted means provide resilient mounting for said shafts.
Claim 7
Dependent Claim 123 words
Conversion means, for mounting on a motorcycle having front and rear axles and wheels mounted on said axles, comprising in combination; ski means adjustably mounted on both axles, said ski means each being formed to provide an opening adjacent to said wheels whereby said ski means may be adjusted toward said wheel until the wheel extends through said opening, plate means removably mounted on said ski over said openings when said ski means are adjusted so that said wheels do not extend therethrough, traction means mounted on at least one of said ski means and adapted to extend below said ski means, and drive means operaBly connected between said motorcycle and said traction means to drive said traction means and propel the assembly.
Claim 8
Dependent Claim 123 words
Conversion means, for mounting on a motorcycle having front and rear axles and wheels mounted on said axles, comprising in combination; ski means adjustably mounted on both axles, said ski means each being formed to provide an opening adjacent to said wheels whereby said ski means may be adjusted toward said wheel until the wheel extends through said opening, plate means removably mounted on said ski over said openings when said ski means are adjusted so that said wheels do not extend therethrough, traction means mounted on at least one of said ski means and adapted to extend below said ski means, and drive means operaBly connected between said motorcycle and said traction means to drive said traction means and propel the assembly.

References Cited (Backward Citations)

US1825133A Cited
US2323526A Cited
US2487297A Cited
US3336994A Cited
US3412820A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-08-02 1975-02-01 1975-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-08-02 1979-02-01 1979-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-08-02 1983-02-01 1983-08-03 $7700.00 Window Closed / Lapsed

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