Title:
DAMPER AND SEAT SUSPENSION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2020/241896
Kind Code:
A1
Abstract:
In order to apply an appropriate damping force corresponding to a relative displacement with a simple configuration, a movable inner cylinder 3 that is capable of sliding within an outer cylinder 2 in the axial direction and in which orifices 31a are formed in a peripheral wall 31 is provided. Furthermore, a piston 5 around which a linear member 52 that generates a frictional force is wound is provided inside the movable inner cylinder 3. A viscous liquid 7 is filled inside the outer cylinder 2, including the inside of the movable inner cylinder 3. Accordingly, when the piston 5 is moved together with the movable inner cylinder 3, a high damping force is not exerted, whereas when the piston 5 is relatively moved inside the movable inner cylinder 3, a high damping force is exerted due to viscous friction with the movable inner cylinder 3 and viscous resistance when the viscous liquid passes through the orifices.
Inventors:
FUJITA ETSUNORI (JP)
OGURA YUMI (JP)
SUGIMOTO EIJI (JP)
MASHINO MASAHARU (JP)
MAKITA SOICHI (JP)
KUWANO RYUJI (JP)
OGURA YUMI (JP)
SUGIMOTO EIJI (JP)
MASHINO MASAHARU (JP)
MAKITA SOICHI (JP)
KUWANO RYUJI (JP)
Application Number:
PCT/JP2020/021506
Publication Date:
December 03, 2020
Filing Date:
May 30, 2020
Export Citation:
Assignee:
DELTA KOGYO CO (JP)
International Classes:
F16F7/09; B60N2/52; B60N2/54; F16F9/19; F16F9/32; F16F9/34
Domestic Patent References:
| WO2018025992A1 | 2018-02-08 | |||
| WO2019225543A1 | 2019-11-28 | |||
| WO2018025992A1 | 2018-02-08 |
Foreign References:
| JPS61154506U | 1986-09-25 | |||
| JP2015078725A | 2015-04-23 | |||
| JP2015117754A | 2015-06-25 | |||
| JPH07223475A | 1995-08-22 | |||
| JP2015078725A | 2015-04-23 | |||
| JP2015117754A | 2015-06-25 |
Attorney, Agent or Firm:
MUGISHIMA Takashi (JP)
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