Title:
緩衝器
Document Type and Number:
Japanese Patent JP6706714
Kind Code:
B2
Abstract:
A damper includes a cylinder in which a working fluid is enclosed, a piston which is slidably inserted into the cylinder, a piston rod which is connected with the piston, a disk valve which is provided to restrict a flow of a working fluid caused by sliding of the piston and to close an opening portion of a tubular case member, an annular seal portion which is provided on at least one surface side of the disk valve, and a chamber which is partitioned by the disk valve and the seal portion. Recessed portions and projecting portions are alternately formed in the disk valve.
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Inventors:
Yamashita Mikiro
Application Number:
JP2019504628A
Publication Date:
June 10, 2020
Filing Date:
March 07, 2018
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F16F9/348
Domestic Patent References:
| JP5365804B2 | ||||
| JP2015145679A | ||||
| JP2016050613A |
Foreign References:
| WO2015080056A1 |
Attorney, Agent or Firm:
Shiga International Patent Office