| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic shock absorber capable of being applied to a vehicular suspension. SOLUTION: In a middle part of a bypass passage B1 communicating a first chamber R1 and a second chamber R2 divided by a partitioning member 1, a valve V1 capable of opening/closing the bypass passage B1 and energized in an opening direction, and pressing means 18, 19 pressing the valve V1 in a direction closing the bypass passage B1 when inputting vibrations not less than constant frequency are provided. COPYRIGHT: (C)2005,JPO&NCIPI |
