Title:
アキシャルピストン装置
Document Type and Number:
Japanese Patent JP7206159
Kind Code:
B2
Abstract:
To protect a bottom portion of a cylinder chamber so that it is not damaged by a spring, and to prevent degradation of transmission efficiency, in an axial piston device including the spring for sliding and energizing a piston on the bottom portion of the cylinder chamber as a reaction point.SOLUTION: A spring receiving member 18 is disposed to receive a spring 16 in a state of being held by a bottom portion 17 of a cylinder chamber 13 and the spring 16. The spring receiving member 18 has a through hole 20 to communicate the cylinder chamber 13 and a supply/exhaust passage 19. Inner wall surfaces 24a, 24b of the supply/exhaust passage 19 are inclined in a state that a clearance to a center 19C of the supply/exhaust passage 19 is gradually widened toward the through hole 20.SELECTED DRAWING: Figure 4
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Inventors:
Toshiyuki Miyachi
Application Number:
JP2019117484A
Publication Date:
January 17, 2023
Filing Date:
June 25, 2019
Export Citation:
Assignee:
Kubota Corporation
International Classes:
F04B1/22; F03C1/253
Domestic Patent References:
| JP10159716A | ||||
| JP10077954A | ||||
| JP11257210A | ||||
| JP2018168778A |
Foreign References:
| DE3733625A1 | ||||
| US5794515 |
Attorney, Agent or Firm:
Patent Attorney Corporation R&C