| 摘要 |
PURPOSE:To simplify and lighten the constitution by providing a cylinder block integrally with a drive shaft while making a valve plate integral with a swash plate for driving a plurality of pistons inserted into the cylinder block. CONSTITUTION:A cylindrical cover 11 provided with an intake port and a drain port is disposed on the opening end side of a bell-shaped body 1, and a cylinder shaft 2 integral with a cylinder block is rotatably supported in said body 1. In the cylinder block form with a plurality cylinder holes is inserted pistons 3 provided respectively integrally with piston rods 4 having both ends formed into large and small spherical surfaces. One end of the piston rod 4 is connected articulately to a port plate 5 fixed to one side of a movable valve body 6 engaging spherically the cover 11, and the movable valve body 6 is connected to an adjusting piston 20 through an idling pin 21 fitted in a plain bearing press fitted in the movable valve body 6.
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