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An upright bicycle for supporting a handicapped or infirm person in a generally vertical position while providing a self-propelled ambulatory capability is disclosed. A pyramidal-shaped frame is comprised of a plurality of generally vertical telescoping members mounted on a flat, generally horizonta

An upright bicycle for supporting a handicapped or infirm person in a generally vertical position while providing a self-propelled ambulatory capability is disclosed. A pyramidal-shaped frame is comprised of a plurality of generally vertical telescoping members mounted on a flat, generally horizontal platform. Two large side wheels are rotationally mounted to the frame and easily rotated by a person positioned on an aft portion of the platform. The platform is provided with foot pads on the upper surface thereof for enhanced user support, with rollers/casters provided on the lower side thereof for increased platform stability. A sternal support in combination with a removable tray is mounted to an upper portion of the frame, while to an intermediate portion thereof is mounted a strap/buttocks support adapted to extend around and encompass the lower, rear portion of the torso of the person. Positioned beneath the strap/buttocks support on the frame are a pair of concave pads for engaging and providing support for the lower legs of the person. Hand-operated, positive locking brakes are mounted on each side of the frame for firmly engaging a respective one of the two large side wheels with a minimal amount of effort. All of the aforementioned support elements are adjustable, as is the telescoping frame itself, to accommodate user growth or a number of different persons of various sizes. In addition, side wheel size may be changed by changing only a minimal number of frame components.

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A mobile apparatus for stably maintaining an infirm person in a generally upright position and providing for the self-propelled locomotion of said person, said apparatus comprising: a platform for supporting the feed of said person, said platform adapted for displacement over a surface upon which it

A mobile apparatus for stably maintaining an infirm person in a generally upright position and providing for the self-propelled locomotion of said person, said apparatus comprising: a platform for supporting the feed of said person, said platform adapted for displacement over a surface upon which it is positioned, and wherein a front portion of said platform is raised slightly with respect to a rear portion thereof; a frame positioned on said platform and extending upward therefrom immediately forward of the person supported thereon; first support means mounted to an upper portion of said frame immediately adjacent and in contact with an upper, front portion of the torso of said person positioned on said platform; second support means mounted to an intermediate portion of said frame and extending rearward therefrom so as to engage a lower, rear portion of the torso of said person so as to provide lateral and vertical support for said person in maintaining said person in a generally upright, stable position; and first and second wheels each rotatably mounted to facing lateral portions of said frame for supporting said frame on said surface, wherein said wheels are positioned on said frame within the reach of said person to permit their rotation by said person in providing for the self-propelled locomotion of said person.