To facilitate the mounting of a wheel chair on or dismounting thereof from an automobile by a method wherein a wheel chair is lifted with an disabled person on by a lift or the like onto a floor surface of the automobile when mounting it on the automobile or the like to be moved by self-travelling to a position corresponding to a driver's seat and then, a rod is held by a holding mechanism to fix the wheel chair.

In the mounting of a wheel chair, a rear door of an automobile is opened to lower an elevating base of a lift and the wheel chair 10 with a disabled person on is moved onto the elevating base by self-travelling. Then, the disabled person operates the lift with a switch to raise the elevating base to a position as high as the floor surface of the body of the car. Then, the wheel chair 10 is travelled to a lock device 50 while trying to locate a base member 51 between front wheels 12. Then, with the operation of a switch of an operating device 18, a switch on a dashboard is manipulated to lower front and rear rods 37 through a mobile base 21 by actuating a motor 24 through a mobile base 21 and the lower ends of the rods are accepted in a rod receptacle of a lock device 50, thereby fixing the wheel chair 10 on the bode.