Patent ID: 9358164
Filing Date: 2016-06-07
CPC Classification: A61G

Claim Text:
1. A wheelchair comprising: a seat module including a seat frame supporting a seat; a backrest module including a backrest frame connected to said seat frame and supporting a backrest; a front frame module including a front frame, said front frame including left and right bended legs removably connected at the upper end thereof to said seat frame and at the lower end thereof to a footrest, said bended legs being supported by caster wheel assemblies via caster support; a rear wheel module including left and right rear wheels pivotally connected to an axle, said rear wheel module being removably connected to said seat module through left and right connecting elements; wherein said seat frame comprises left and right longitudinal profiles extending in a same plane; wherein each of said left and right connecting elements comprises a tubular element extending in a direction approximately orthogonal to the plane defined by the seat frame, a first securing arrangement positioned at the upper end of said tubular element, said first securing arrangement allowing said tubular element to be fixed with respect to the left and right profiles of the seat frame, and a second securing arrangement positioned along said tubular element, said second securing arrangement allowing said tubular element to be fixed with respect to the axle of the rear wheel module; wherein each of said first and second securing arrangements comprises a nut, a screw and a mounting piece, said screw being adapted to slide inside a slot provided in the seat frame, respectively in the tubular element of the left or right connecting element, said screw being also adapted to be inserted through a hole provided in said mounting piece and to sit in a threaded hole provided in said nut.