Title:
SHOCK ABSORBER
Document Type and Number:
WIPO Patent Application WO/2022/024755
Kind Code:
A1
Abstract:
This shock absorber has: a first damping force generation mechanism (41) provided to a passage (92) of a piston (21); a second damping force generation mechanism (183) provided to a piston rod (25); and a fluid storage mechanism (190) provided to the piston rod (25). The fluid storage mechanism (190) has: a flexible disk (100) that deforms before valve opening of the second damping force generation mechanism (183); and a plate-like biasing member (116, 117) which has a hole (415) between an inner circumferential end and an outer circumferential end thereof and in which the inner circumferential end is formed so as to enable insertion of the piston rod (25) therein.
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Inventors:
YAMASHITA MIKIO (JP)
KOTANI TAKAMASA (JP)
KOTANI TAKAMASA (JP)
Application Number:
PCT/JP2021/026396
Publication Date:
February 03, 2022
Filing Date:
July 14, 2021
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16F9/34; F16F9/48; F16F9/508
Domestic Patent References:
| WO2017047623A1 | 2017-03-23 |
Foreign References:
| JP2019163769A | 2019-09-26 | |||
| JP2014070643A | 2014-04-21 | |||
| JP2017145891A | 2017-08-24 | |||
| JP2005054923A | 2005-03-03 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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