| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent abrasion and seizure of a cylinder block and a piston while minimizing leakage of working oil. SOLUTION: An eccentric groove 1 positioned at a point separated farthest from a central shaft A of a cylinder block 10, positioned between a base end part of a piston at a bottom dead center and an opening part of a cylinder bore 11 and formed as a part of an eccentric hole 2 smaller in diameter than the cylinder bore 11 and decentered from a central shaft C of the cylinder bore 11 is furnished on an inner peripheral surface 11a of the cylinder bore 11 on a swash plate type piston type hydraulic device.</p> |
