US Patent 7798510 Multi-wheeled vehicle

A vehicle including: a front wheel; two rear wheels; a seat configured to allow a rider to lean forward when the vehicle travels; and a frame that includes a front frame section and a rear frame section, the front frame section extending from the seat to at least an axis of rotation of the front wheel and connecting the seat to the front wheel, the rear frame section extending from the first frame section rearward and connecting the rear wheels to the first frame section, the frame sections being pivotably connected at a pivot point between the main wheel and the seat.