Title:
DIRECT ACTION DAMPER AND STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/230336
Kind Code:
A1
Abstract:
The present invention provides a direct action damper that can lessen loud collision noises or impacts even if a large load is suddenly applied, and a steering device provided with the direct action damper. A steering device 100 is provided with a direct action damper 120 between a rack bar 103 and a rack end 106. The direct action damper 120 is provided in a state allowing reciprocating displacement of relative displacement body 140 inside an inner chamber-defining body 121 formed into a cylindrical shape. Inside the inner chamber-defining body 121, a first inner chamber 125a and a second inner chamber 125b are respectively formed on either side of a valve support part 123 that supports each of a first flow control valve 127 and a second flow control valve 128. Additionally, an end part 131 is provided on the end of the inner chamber-defining body 121 opposite a rack housing 104. The end part 131 is configured by forming an elastically deformable elastic body into an annular shape.
Inventors:
NAKAYA KAZUMASA (JP)
ENDO AKIFUMI (JP)
ENDO AKIFUMI (JP)
Application Number:
PCT/JP2022/007703
Publication Date:
November 03, 2022
Filing Date:
February 24, 2022
Export Citation:
Assignee:
SOMIC MAN HOLDINGS INC (JP)
International Classes:
B62D3/12; F16F9/18; F16F9/32; F16F9/34; F16F9/58; F16F15/023; F16F15/08
Domestic Patent References:
| WO2021246081A1 | 2021-12-09 | |||
| WO2021246082A1 | 2021-12-09 |
Foreign References:
| JPH04128978U | 1992-11-25 | |||
| JP2006138359A | 2006-06-01 | |||
| JPH04125978U | 1992-11-17 | |||
| JP2004069064A | 2004-03-04 | |||
| JP2020096430A | 2020-06-18 |
Attorney, Agent or Firm:
ITO Hiroyuki (JP)
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