LIFT CHAIN FOR ELEVATING CONTAINER

摘要

PROBLEM TO BE SOLVED: To provide a lift chain for elevating a container, for improving reliability on strength and provide a sharply prolonged service life. SOLUTION: Each of a pair of right and left roller link plates 2 forms a double plate, consisting of two link plates 3 and 4 of one being the inside and the other being the outside. A roller 11 is fitted in a bush 8 to intercouple the end parts of the inside roller link plates 3. Each of a pair of right and left pin link plates 5 forms a double plate consisting of an inside pin link plate 6 formed, such that an end part is situated inserted between the end parts of the inside roller link plate 3 and the outside roller link plate 4 and an outside pin link plate 7 formed, such that an end part is situated in a state to be laminated to the outside of the end part of the outside roller link plate 4. The end parts of all the plates of the inside and outside link plates 3 and 4 of a pair of the roller link plates 2 and the inside and outside link plates 6 and 7 of a pair of the pin link plates 5 are coupled together by a single pin.