US Patent 9452641 Recreational vehicle

A recreational vehicle includes two parallel wheels installed at a front wheel set or a rear wheel set, and the axes of the two wheels are not configured to be aligned on the same horizontal line, and the two wheels are installed at a frame through an adjusting module movable with respect to the frame, and a fixing module is installed between the frame and adjusting module for controlling whether to move the adjusting module with respect to the frame. The recreational vehicle is capable of adjusting the width of the rear wheel that touches the ground to enhance the variability, adaptability and practicality of the vehicle.