AUTOMATIC TRAVELING TRANSPORTATION CART

摘要

PROBLEM TO BE SOLVED: To provide an automatic traveling transportation cart having the following features: not only the transportation cart may move automatically; stable traveling state is maintained even in a case of traveling on a slope or an uneven traveling surface; and a lower space of the cart is reduced.SOLUTION: An automatic traveling transportation cart comprises: a cart main body 1; driving wheels 2; a slide elevating mechanism 3; a driving motor 4; a first multiple joint arm part 5 consisting of a first swing arm 51 and a first connecting arm 52; a gas spring 6 providing a force with which the angle between these arms are expanded; a second multiple joint arm part 7 consisting of a second swing arm 71 and a second connecting arm 72; and a driving power transmitting mechanism 8 constituted by bridging a belt 82 and the like along the second swing arm 71 and the second connecting arm 72 for pulleys 81, 81... and the like attached on the second multiple joint arm part 7.