Importance

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Abstract

The present invention relates to an improvement of an bent axis type variable displacement pump/motor in which a piston moves reciprocatingly inside a cylinder and a state in which three parties of a cylinder block, a valve plate member, and a case are always in close contact with each other is secured by configuring the valve plate member with a plurality of valve plate parts comprising a first valve plate part and a second valve plate part and placing the valve plate member between a block side sliding surface of a cylinder block and a concave guide surface of the case while the plurality of valve plate parts are slidably brought into close contact with each other via sliding contact surfaces.

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First Claim