| 摘要 |
PROBLEM TO BE SOLVED: To reduce manufacturing cost preventing a foreign matter from mixing into a movable part. SOLUTION: A space sectioned by an elastic member 18 and a partitioning member 28 constitutes a main liquid chamber 30, and a film member 64 formed in the shape of a film with rubber material partitions the main liquid chamber 30 into upper and lower ones. A check valve 34 is provided to allow inflow of liquid only from the main liquid chamber 30 side through a through hole 24A in an upper member 24 constituting the upper part of the partitioning member 28. In an annular rib 24B of the upper member 24, a plunger 36 is disposed to be fitted slidably on the inner wall face of the annular rib 24B. A coil spring 38 for urging the plunger 36 upward is disposed between the plunger 36 and the central part of the bottom face of a lower member 26 constituting the lower part of the partitioning member 28. COPYRIGHT: (C)2004,JPO |
