Title:
WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/085199
Kind Code:
A1
Abstract:
Provided is a working machine in which a temperature rise of a fluid such as operating oil is suppressed. The working machine has a first state in which one engaging portion engages with an engaged portion in an axial direction and another one engaging portion engages with the engaged portion in the axial direction, thereby dividing the inside of a liner chamber into a plurality of spaces, and a second state in which the engaging portions are not in contact with the engaged portion and the inside of the liner chamber forms one space. In the second state, the engaged portion is not in contact with a liner 10 or an upper plate 20.
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Inventors:
HIRAI TAKAHIRO (JP)
Application Number:
PCT/JP2022/041131
Publication Date:
May 19, 2023
Filing Date:
November 04, 2022
Export Citation:
Assignee:
KOKI HOLDINGS CO LTD (JP)
International Classes:
B25B21/02; B25B21/00; B25F5/00
Foreign References:
| JP2011000682A | 2011-01-06 | |||
| JP2021024015A | 2021-02-22 | |||
| JP2014094417A | 2014-05-22 |
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