To smoothly draw a storage box by providing a base frame fixed on an install floor, holding casters, guide frames which can be drawn from the base frame onto its extension, slide frames for holding the storage box, and its fore and rear wheels.
This structure has a pair of left and right base frames 1 longitudinally extended at an install place, holding casters 2 supported upward on the respective fore end sides of base frames 1, and guide frames which are respectively fitted into a pair of base frames 1 and freely slid back and forth. Further, slide frames 4 are provided, with which the holding casters 2 are in contact with the base at middle positions so as to freely roll, arranged on the base frames 1 and extended along with the base frames 1 while holding the storage box. At the back of slide frames 4, rear wheels 6 are provided to roll on the base frames 1 in contact with the upper surface of base frames 1 and in front of the slide frames 4, fore wheels 5 are provided to roll on the guide frames 3 in contact with the upper surface of guide frames 3.
SASAZU EIJI
OKADA KAZUSHI
SASAZU EIJI