Title:
GAS SPRING
Document Type and Number:
WIPO Patent Application WO/2015/182373
Kind Code:
A1
Abstract:
Provided is a gas spring (100) that generates a restoring force against an external force in a pulling direction, the gas spring comprising: a piston rod (30) that is coupled to a piston (20) and protrudes from a distal end of a cylinder (10) to connect to a mating side; a bracket (50) that connects a base end of the cylinder (10) to the partner side; a gas chamber (11) in which a high-pressure gas is filled; an atmospheric chamber (12) that is defined by the cylinder (10), the piston (20), and the bracket (50); a ventilation passage (60) that is formed in the bracket (50) and establishes communication between the atmospheric chamber (12) and the outside of the bracket (50); and a filter (70) that is interposed in the ventilation passage (60) and filters air flowing into the atmospheric chamber (12).
Inventors:
SENDA TAKAHIRO (JP)
Application Number:
PCT/JP2015/063625
Publication Date:
December 03, 2015
Filing Date:
May 12, 2015
Export Citation:
Assignee:
KYB YS CO LTD (JP)
International Classes:
F16F9/00; A47C7/50; B60N3/06
Foreign References:
| JPH07139571A | 1995-05-30 | |||
| JP2002349129A | 2002-12-04 | |||
| JPH01139759U | 1989-09-25 | |||
| JPH04160237A | 1992-06-03 | |||
| JPS567534B2 | 1981-02-18 |
Attorney, Agent or Firm:
GOTO, Masaki et al. (JP)
Masaki Goto (JP)
Masaki Goto (JP)
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