Title:
FLUID PRESSURE CYLINDER
Document Type and Number:
WIPO Patent Application WO/2024/085063
Kind Code:
A1
Abstract:
Provided is a hydraulic cylinder (100) wherein: a cylinder tube (10) comprises a circular main body part (12), a circular coupling part (13) to which a cylinder head (40) is coupled, and a circular connection part (14) which is formed between the main body part (12) and the coupling part (13); the coupling part (13) is formed such that the thickness (T2) thereof in the radius direction is greater than those of the main body part (12) and the connection part (14); the boundary between the main body part (12) and the connection part (14) and the boundary between the connection part (14) and the coupling part (13) are each formed so as to be tapered; the connection part (14) is formed such that the inclination angle thereof with respect to the main body part (12) is smaller than the inclination angle (α) of the boundary between the main body part (12) and the connection part (14) and the inclination angle (β) of the boundary between the connection part (14) and the coupling part (13); and an end part of the connection part (14) which is located on the coupling part (13) side is formed such that the thickness (T3) thereof in the radius direction is greater than that of the main body part (12) and not more than twice that of the main body part (12).
Inventors:
IMAI NORIFUMI (JP)
Application Number:
PCT/JP2023/037044
Publication Date:
April 25, 2024
Filing Date:
October 12, 2023
Export Citation:
Assignee:
KYB CORP (JP)
International Classes:
F15B15/14
Domestic Patent References:
| WO2015092908A1 | 2015-06-25 |
Foreign References:
| US20100077918A1 | 2010-04-01 | |||
| JP2011047469A | 2011-03-10 | |||
| JPS591908U | 1984-01-07 | |||
| JP2019168018A | 2019-10-03 | |||
| JP2003336609A | 2003-11-28 | |||
| JP2013024302A | 2013-02-04 | |||
| JP2011153653A | 2011-08-11 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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