US Patent 7976064 Device for facilitating the movement of a vehicle
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A device for facilitating the movement of a vehicle across ground comprises a track able to move around a board. The device includes a track for contacting ground that is mounted on a board. Brackets are provided for attaching the board to a vehicle. The track is movable in a direction independent of the direction of movement of the vehicle in at least the reverse direction relative to the vehicle's direction of movement. That track is able to move around the board by means of cylinders arranged in the form of a belt extending around the board between the board and the track. The device can be used to facilitate movement of off-road vehicles across obstacles. It can also be used to provide snow-free sledges and skis. It is also envisaged that the device may be incorporated into a trolley, which can be used on uneven surfaces.
US Patent 07976064 Device for facilitating the movement of a vehicle US Patent 7976064 Device for facilitating the movement of a vehicle
US Patent 07976064 Device for facilitating the movement of a vehicle
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