Patent ID: 7100929

Claim:
A wheeled device comprising: at least three wheels for providing rolling support for said device; a steering column for providing steering control of at least one of said wheels; at least two pedals mounted on respective pedal shafts affixed to at least one wheel of said at least three wheels such that rotation of the pedal shafts produces rolling movement of said device; a movable central support frame; a seat movable along said central support frame; a rear support frame defining a side elevational profile; a wheel mounting assembly for at least two of said wheels, each wheel mounting assembly being affixed to said rear support frame and being movable between a first, operative position wherein the wheel thereof is erected to provide rolling support for said rear support frame and a second, stowed position wherein the wheel member assembly is angularly displaced from said first position so as to be at least close to being disposed within the side elevational profile of the rear support frame; a further wheel mounting assembly for affixing the at least one wheel to said steering column; at least one first movable joint connecting the central support frame and the rear support frame and providing movement of said central and rear support frames between a first, operative position wherein the central and rear support frames are angularly displaced and a second stowed position wherein said central and rear support frames are at least close to being disposed within a common side elevational profile; and at least one further movable joint connecting the steering column and the central support frame and providing relative movement of the central support frame between a first, operative position wherein said central support frame is angularly displaced with respect to the steering column and a second, stowed position wherein said central support frame is disposed substantially parallel to and in close proximity to said steering column.