Title:
PISTON-CYLINDER DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/173978
Kind Code:
A1
Abstract:
A gas spring (1) is provided with: a cylinder body (21) for containing gas; a piston body (41) for dividing the inside of the cylinder body (21) into a rod-side gas chamber (G1) and a piston-side gas chamber (G2) and having a flow passage for enabling the gas to flow between rod-side gas chamber (G1) and the piston-side gas chamber (G2); a rod body (31) connecting to the piston body (41) and having a hollow section formed therein; a push rod (32) inserted into the hollow section in the rod body (31) and moved in the axial direction of the rod body (31) by the operation of an operator; and a valve (42) which is configured as a separate body from the push rod (32), is provided capable of being moved by the push rod (32), moves in the axial direction within the piston body (41) to open and close a flow passage, and allows or prevents the gas to flow between the rod-side gas chamber (G1) and the piston-side gas chamber (G2).
Inventors:
FURUKAWA KEI (JP)
NAKANO GOTA (JP)
ITO KOUICHI (JP)
NAKANO GOTA (JP)
ITO KOUICHI (JP)
Application Number:
PCT/JP2014/075646
Publication Date:
November 19, 2015
Filing Date:
September 26, 2014
Export Citation:
Assignee:
SHOWA CORP (JP)
International Classes:
F16F9/00; B60J5/10; E05F1/10
Foreign References:
| JPH06264950A | 1994-09-20 | |||
| JPS5213390U | 1977-01-29 | |||
| JPH06272729A | 1994-09-27 |
Attorney, Agent or Firm:
FURUBE, Jiro et al. (JP)
Jiro Furube (JP)
Jiro Furube (JP)
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