HYDRAULIC ROTATING MACHINE
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United States of America Patent
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Issued Date -
Mar 16, 2017
app pub date -
Jan 23, 2015
filing date -
Mar 28, 2014
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A hydraulic rotating machine adapted to be actuated and rotated by supply and discharge of a working fluid includes a cylinder block to which a shaft is coupled, the cylinder block being configured to be rotate together with the shaft; a cylinder formed to have an opening portion on one end side of the cylinder block, a recessed portion being formed on an inner circumference of the cylinder; and a bush inserted from the opening portion of the cylinder and provided on the inside of the cylinder, the bush having a projection portion filled into the recessed portion by plastic deformation. The recessed portion is formed in such a manner that width along an axial direction of the cylinder becomes smaller toward the depth direction.
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