초록 ▼

A simple, durable, lightweight, economical wheelchair is disclosed that offers full convertibility from rigid frame to folding and vice versa, without sacrificing advantages of either design. In addition, it allows conversion to sports, companion, pediatric, front wheel drive, etc. as well as custom

A simple, durable, lightweight, economical wheelchair is disclosed that offers full convertibility from rigid frame to folding and vice versa, without sacrificing advantages of either design. In addition, it allows conversion to sports, companion, pediatric, front wheel drive, etc. as well as customizing to suit the end user's needs.

대표청구항 ▼

[ What is claimed is:] [1.]1. A modular convertible wheelchair comprising:(a) a pair of like side frame assemblies spaced from each other and each including a generally horizontal seat tube, a generally horizontal bottom tube below said seat tube, each of said seat and bottom tubes having front and

[ What is claimed is:] [1.]1. A modular convertible wheelchair comprising:(a) a pair of like side frame assemblies spaced from each other and each including a generally horizontal seat tube, a generally horizontal bottom tube below said seat tube, each of said seat and bottom tubes having front and rear ends; and a generally vertical backrest tube having a lower end proximate to said rear ends of said seat and bottom tubes and an upper end extending upwardly of said seat tube and forming handgrips;(b) a caster assembly for each side frame assembly carrying a caster wheel;(c) footrest support means secured to said seat tube;(d) plural transverse tube means extending between said side frame assemblies;(e) wherein the improvement comprises an interchangeable conversion kit including pivotally connected elongate means having ends pivotably connectable to said side frame assemblies to replace said transverse tube means thereby selectively and reversibly converting said wheelchair to a folding frame wheelchair; and(f) weld-free connecting means for rigidly connecting respective rear ends of said seat and bottom tubes and lower ends of said backrest tubes, for rigidly connecting respective front ends of said seat and bottom tubes, and for rigidly connecting said conversion kit to said side frame assemblies.