Piston for a hydraulic motor having radial pistons, and a method of manufacturing such a piston
AssigneePoclain Hydraulics Industrie
InventorsGilles Lemaire, Alain Noel
Life of this patent
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Abstract
A piston for a hydraulic motor including a body having a guiding and sealing surface, a base, and a top, which top is providing with a cradle-shaped recess. The base is provided with an additional cradle-shaped recess whose concave surface faces in the direction in which the concave surface of the recess in the top faces.
Claims6
A piston for a hydraulic motor having radial pistons, said piston comprising a body having a guiding and sealing surface, a top, which top is provided with a cradle-shaped recess having substantially the shape of a fraction of a cylinder, and a base which is provided with an additional cradle-shaped recess having substantially the shape of a fraction of a cylinder whose concave surface faces in the direction opposite from the direction in which the concave surface of the recess in the top faces.
Dependencies are inferred from the claim text.