Wheelchair for disabled foldable; perfected, characterized in that it comprises two trains of wheels, front and rear, supported in each of the side frames by a lower beam of said frames, whose wheel trains have caterpillar bands to prevent slippage and favor movement over rough terrain, stairs and on slopes, said related wheel trains being by means of respective pulleys of corresponding larger traction wheels of said trains and by means of a belt or transmission equivalent with the hand-operated wheels provided in the side frames and the chair being related articulated with said frames so that, during the ascent and descent of the chair by slopes and stairs, its seat is maintained substantially in horizontal position in favor of the comfort and safety of the user, the assembly comprising a brake device that prevents the diesel chair during its ascent and prevents that accelerates in its descent. (Machine-translation by Google Translate, not legally binding)
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