Patent ID: 6135222
Filing Date: 2000-10-24
Classification: A61G,B60K,Y10S

Abstract:
An assembling structure of an electrically-driven wheelchair having a frame and a rear wheel part, wherein the rear wheel part is assembled in a detachable state to the rear side of the frame, said frame being collapsible into a folded state,said rear part including a pair of main rear wheels arranged at the front side, and a pair of auxiliary rear wheels arranged at the rear side, wherein both the main rear wheels and the auxiliary rear wheels are arranged to be grounded,an electric motor unit for driving the main rear wheels, arranged at the main rear wheels,the rear wheel part and the rear side of the frame including a locking member and a receiving member, which can be coupled with each other and are arranged respectively thereon,the receiving member including a concave locking surface at a side remote from the locking member,the locking member including with an insertion recess in which the receiving member can be inserted, and with a hook which can lock the locking surface of the receiving member inserted in the insertion recess,wherein the rear wheel part is assembled to the frame at a coupling portion between the locking member and the receiving member, in a rockable state in the vertical direction along the longitudinal direction as the center of rocking the receiving member.