TRUCK PROVIDED WITH FUNCTION FOR GOING UP AND DOWN STAIRS AND OPERATING METHOD FOR IT

PROBLEM TO BE SOLVED: To provide a truck provided with a function for going up and down stairs and an operating method for it, by which a load can be easily transported upstairs and downstairs regardless of the weight balance without changing the posture of the load. SOLUTION: A truck provided with a function for going up and down stairs is provided with a truck part F composed of a base plate 1 on which a load is to be loaded and a wheel 3, a frame provided with a slide rail, in which guide grooves are provided on both sides in the longitudinal direction of the base plate on the back side of the floor surface of the base plate 1, a vertical, movement mechanism part for raising and lowering the base plate 1 by being guided and moved by the rail part 2a, a longitudinal movement mechanism part for advancing and retreating the base plate 1 in the longitudinal direction in relation to the vertical movement mechanism part, and a plurality of supporting members for positioned on the lower part of a frame 7 for constituting the vertical movement mechanism part and on the lower part of the truck 1, and for enabling adjustment for horizontally holding the base plate according to the difference of stairs.