| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a shoe and a hydraulic rotary device in which seizure and mechanical loss can be reduced and volumetric capacity loss can also be reduced.SOLUTION: A slide end part 18 of a shoe 7a comprises: an annular seal part 60 which is positioned to surround one opening of a lubricant feeding hole 52 and slides on a surface to be slid; a first pad part 61 which has a height from a reference plane 65 lower than a height of the seal part 60 from the reference plane 65, and which is comprised of two portions positioned on the same circumference to surround a part of the opening and which is opposite to the seal part 60 in the radial direction through an annular groove present in a radial-direction inside of the seal part 60; and a second pad part 62 which has a height from the reference plane 65 lower than a height of the seal part 60 from the reference plane 65, and which is comprised of two portions positioned on the same circumference to surround a part of the opening and which is opposite to the seal part 60 in the radial direction through an annular groove present in a radial-direction outside of the seal part 60.</p> |
