Kayaba Industry Company, Ltd.

Husco International, Inc.

Masaki Dohgami

Dwight B Stephenson

A pair of hydraulic cylinderswhich are coupled to a driven member, placed parallel to each other and extend/contract in synchronization with each other, and a control valvewhich controls hydraulic fluid supplied to or discharged from the hydraulic cylinderare provided. An elastic support mechanismwhich supports the control valveto each hydraulic cylinder between the paired hydraulic cylinders; metallic pipingand the metallic pipingwhich connect the control valvewith the respective hydraulic cylindersand leads the hydraulic fluid controlled by the controlling valve; and curved portionswhich are provided at some midpoints of the piping and flexibly deform in accordance with relative deformation of each hydraulic cylinderare provided. A difference in relative displacement of each hydraulic cylinder with respect to the control valveis absorbed by deformation produced in the elastic support mechanismand the curved portions.

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Kani-gun, Japan

Masaki Dohgami