Patent ID: 6966411

Claim:
A valve structure of a hydraulic shock absorber for a vehicle, comprising: a first leaf valve provided in an opening portion of a flow passage arranged in a partition wall member sectioning an oil passage; a small diameter leaf valve provided in an opposite side of the first leaf valve to the partition wall member; a plurality of second leaf valves, all said second leaf valves provided in an opposite side of the small diameter leaf valve to the first leaf valve; an annular gap provided in an outer peripheral side of the small diameter leaf valve, between the first leaf valve and the second leaf valve; the respective leaf valves being fixed in inner peripheral sides thereof so as to be laminated on the partition wall member, an inner leaf valve is disposed between the plurality of second leaf valves, and an annular outer leaf valve having a larger thickness than that of the inner leaf valve is disposed on an outer peripheral side of the inner leaf valve, wherein the second leaf valve provided between the small diameter leaf valve and the inner leaf valve comprises one leaf valve, and the other second leaf valves comprise a plurality of leaf valves.