Patent ID: 7906050

Claim:
A method of manufacturing a customized wheelchair having a back plate and a seat plate which are designed to fit a body shape, the method comprising steps of: forming a preliminary molding material which is directly formed to fit a back and a hip of a user, wherein the step of forming the preliminary molding material comprises the steps of: wearing a rear sheet, which is formed in a double-folded sheet filled with a rigid polyurethane to have a uniform thickness and is clothed at a rear portion including the back and the hip of the user, and a front sheet which is joined to the rear sheet while being clothed at a front portion of the user so that the front sheet is fixed to the user; and hardening the rigid polyurethane for a predetermined time in a state that the user enclosed within the front sheet and the rear sheet is seated on a chair having a back support, such that the preliminary molding material of rigid polyurethane that is hardened has a resulting inner surface and an outer surface in the same shape; fixing the preliminary molding material of the rear sheet, that has the rigid polyurethane hardened, to a molding frame shaped into the back plate and the seat plate of the wheelchair; filling a flexible polyurethane in the molding frame fixed with the preliminary molding material; hardening the flexible polyurethane filled in the molding frame; and releasing a last molding material, from the molding frame, which is foamed and hardened to have a shape of the back and the hip of the user by the direct form of the preliminary molding material.