Title:
MULTI-STAGE FLUID PRESSURE CYLINDER
Document Type and Number:
WIPO Patent Application WO/2022/044832
Kind Code:
A1
Abstract:
This multi-stage fluid pressure cylinder (100) comprises a cylinder tube (10), a first rod assembly (30), a second rod assembly (40), and a snap ring (35) that is accommodated in an annular recess (30b) formed in the first rod assembly (30). At least one of the first rod assembly (30) and the second rod assembly (40) is provided with a communication passage (32c, 42d) that communicates, to an opposite-from-rod-side chamber (5), a gap (G1) that is delimited by the snap ring (35), an outer circumferential surface (42a) of a first inside piston section (42), and an inner circumferential surface (30a) of the first rod assembly (30) during a condition in which the snap ring (35) is accommodated in an accommodation recess (42c).
Inventors:
FUNATO HIROSHI (JP)
TANIGAWA NATSUKI (JP)
TANIGAWA NATSUKI (JP)
Application Number:
PCT/JP2021/029751
Publication Date:
March 03, 2022
Filing Date:
August 12, 2021
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B15/16; F15B15/14
Foreign References:
| JP2017172681A | 2017-09-28 | |||
| JP2010242804A | 2010-10-28 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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