| 摘要 |
PURPOSE:To improve durability simplifying constitution, by providing a boss part, which restricts a position in the diametric direction of a swivel plate, in a swash plate and supporting the swivel plate restricting a position in the diametric direction of the swash plate by a penetration hole of a driving shaft in said boss part. CONSTITUTION:A swash plate 5 has a disc-shaped main unit part and a cylindrical boss part 52. A swivel plate 6 is rotatably fitted to the periphery of said boss part 52, and the swivel plate 6 is supported being restricted to a position in the diametric direction. While a penetration hole 55, through which a driving shaft 13 penetrates, is provided in the boss part 52, and said penetration hole 55 is placed in a condition fitted to the driving shaft 3 in the direction at a right angle with the swivel direction of the swivel plate 6, forming a long hole shape, permitting the swivel plate 6 to tilt, in the swivel direction. And a position in the diametric direction of the swash plate 5 is restricted by forming curved surfaces 55a, 55b on the internal surface of said penetration hole 55 to bring one part of said both curved surfaces 55a, 55b into contact with the driving shaft 3 in the vicinity of a swivel center 61 of the swivel plate 6. |
