HYDRAULIC BUFFER AND METHOD FOR FILLING HYDRAULIC BUFFER WITH HYDRAULIC OIL

摘要

PROBLEM TO BE SOLVED: To set the overall length of a hydraulic buffer to a low value, maintain the operation of the hydraulic buffer in an excellent state, and prevent the occurrence of the damage of a bladder of which a reservoir chamber consists. ;SOLUTION: A single cylinder type hydraulic buffer 10 is constituted such that a piston rod 14 having a piston 13 is inserted in a cylinder 12, a reservoir case 51 is fixed at the outer periphery of the cylinder, the interior of the reservoir case is partitioned into inside and outside volume compensation oil chambers 53 and 55 by a bladder 52 to form a reservoir chamber 50, and a communication hole 56 to intercommunicate the volume compensating oil chamber and the piston side chamber 28A of a cylinder is formed in the cylinder. In this case, the bladder is formed approximately in the shape of a barrel, and the volume compensating oil chamber of the reservoir chamber is formed such that the bladder forms a barrel shape in a molded state in the most stretching state of the hydraulic buffer.;COPYRIGHT: (C)1998,JPO