Patent ID: 8540264

Claim:
A stepper bike comprising: a body having opposite side walls, a top wall, a bottom wall, and an end wall surrounding an interior chamber, a pair of front wheels located adjacent said side walls of the body, first housings secured to the side walls of the body, members mounted on the first housings for rotatably supporting the front wheels, a steering column mounted on the top wall of the body for rotation about a generally upright axis, handles attached to the steering column useable by an operator to rotate the steering column, linkage members connecting the steering column to the members mounted on the first housings operable to turn the front wheels in response to rotation of the steering column, a pair of rear wheels located adjacent said side walls of the body, second housings secured to the side walls of the body, a drive shaft rotatably supported on one of said second housings, said drive shaft being connected to one of said rear wheels, a drive mechanism located in the interior chamber of the body, said drive mechanism being operably connected to the drive shaft to transmit power to the drive shaft to rotate said one rear wheel, and foot pedal units movably mounted on the opposite side walls of the body, said foot pedal units being operatively connected to the drive mechanism, said foot pedal units configured to be moved with the operator's feet to transmit force to the drive mechanism whereby the drive mechanism rotates the drive shaft and the one rear wheel to move the stepper bike relative to a surface supporting the stepper bike.