초록 ▼

A snow traction device for motorcycles or other vehicles consisting of a frame adapted to be supported from the axle of a power driven vehicle wheel, an endless flexible belt mounted about rollers carried by the frame and moving in an elongated loop extending forwardly and rearwardly beneath the whe

A snow traction device for motorcycles or other vehicles consisting of a frame adapted to be supported from the axle of a power driven vehicle wheel, an endless flexible belt mounted about rollers carried by the frame and moving in an elongated loop extending forwardly and rearwardly beneath the wheel so that its lower reach may engage the snow, and a pair of rollers carried rotatably by the frame and snugly engaging both the vehicle wheel and the upper reach of the belt, whereby the former drives the latter to propel the vehicle. The frame mounting is adjustable to adapt it to fit operably relative to vehicle wheels of different diameters, and the froward end portion of the lower belt reach is angled upwardly to better attack the snow. A pair of skis are disposed respectively at opposite sides of the frame, parallel to the line of vehicle travel, and are urged resiliently downwardly relative to the frame. These skis support the vehicle against overturning when banked in a turn, and stabilize it against lateral slippage.

대표청구항 ▼

For use in connection with a vehicle having a powered ground-engaging wheel equipped with a rubber tire, a snow traction attachment comprising: a. an attachment frame, b. an endless flexible traction belt carried on suitable belt pulleys rotatably mounted in said frame to form a generally horizontal

For use in connection with a vehicle having a powered ground-engaging wheel equipped with a rubber tire, a snow traction attachment comprising: a. an attachment frame, b. an endless flexible traction belt carried on suitable belt pulleys rotatably mounted in said frame to form a generally horizontal loop, c. a pair of drive rollers carried rotatably in said frame and having driving engagement with said belt, d. means operable to attach said frame to the frame of said vehicle whereby said drive rollers and said belt are disposed beneath said vehicle wheel with the lower reach of said belt positioned to engage a snow surface beneath said wheel and extending forwardly and rearwardly in the direction of vehicle travel, and with said wheel having driving engagement with said drive rollers but not with the upper reach of said belt, whereby said vehicle wheel, acting through said drive rollers, turns said belt in the same rotary direction as said wheel to propel said vehicle over the snow, and e. means operable to adjust said means for attaching said attachment frame to said vehicle to vary the vertical elevation of said frame relative to said vehicle, whereby said drive rollers may both be pressed against the rubber tire of said vehicle wheel for optimum drive pressure, and also adapted to engage vehicle wheels of different diameters, said adjusting means comprising a pair of generally vertical screws secured rotatably to said attachment frame at respectively opposite sides of said vehicle wheel, and a pair of generally vertical nuts each secured non-rotatably at its upper end to said vehicle frame at the axle of said vehicle wheel, each of said nuts having threaded engagement with one of said screws, whereby rotation of said screws in said nuts will change the elevation of said attachment frame relative to said axle.