| 摘要 |
PURPOSE: A tilting device of the balance of a ladder truck is provided to make the operation easy and simple by controlling the angle of the balance of the ladder truck by extending or shortening an inside pipe at an outside pipe. CONSTITUTION: A tilting device of the balance of a ladder truck comprises a guide pipe(10), an outside pipe(20), an inside pipe(30) and a stopper member(40). The guide pipe has a through hole protruding into a lateral part in a rectangular pipe. The outside pipe has a hinge board(21). The hinge board is combined with a bottom surface of the balance. The inside pipe is inserted in the outside pipe. An insertion hole(31) is formed at the lateral part of the inside pipe. The inside pipe has a hinge axial(32) at the end part. The stopper member includes a stop pin(45) and a base plate(47). The stop pin has a ledge(41) inserted in the guide pipe. The base plate has a penetration hole(46). The penetration hole is screwed in an elastic spring(43) and the guide pipe. |
