Patent ID: 7100716
Filing Date: 2006-09-05
Classification: A61G

Abstract:
1. A wheel chair having a modular structure comprising: a main component; at least one pivotable wheel, which is detachably mounted at said main component by a quick release device; at least one driving wheel which is detachably mounted at said main component by a quick release device; and a seat component, which is detachably mounted at said main component by a quick release device; wherein said main component comprises a main body designed as a monocoque construction to which four arms for supporting said wheels are coupled; said four arms are springably coupled to said main body; and said quick release devices between said main component and said wheels are disposed between said arms and said wheels, respectively, wherein, when said wheels are detached, said four arms extend in substantially a common plane so that the main component including the main body and said four arms coupled thereto without said wheels has a flat shape; and wherein a smallest cuboid having side lengths a, b and c which can envelop said main component including said main body and said four arms connected thereto without wheels has a side length c which is smaller than half of said side lengths a or b, respectively, wherein said side lengths a and b extend in said common plane of said four arms.