| 摘要 |
<p>PROBLEM TO BE SOLVED: To make seizure, between the opposite slidingly contact surfaces of a thrust bearing, and a cam plate and a housing, difficult to occur, by using a flat washer-like thrust bearing. SOLUTION: Flat washer-like thrust bearings 26 and 27 are interposed between both the end surfaces of a boss part 24a of a cam plate 24 and the pressure receiving seat 11a of a cylinder block 11 in accordance with both the end surfaces respectively. A coating layer 32, composed of soft material having a proper slidableness is formed on at least one side of the opposite slidingly- contact surfaces between the cam plate 24 and the cylinder block 11, and the thrust bearings 26 and 27.</p> |
