Circuit for pitch and tilt of dozer blade

Details Circuit for pitch and tilt of dozer blade Circuit for pitch and tilt of dozer blade

E - Fixed Constructions

02

F

138/79.14

E02F 3/85 (2006.01)

Patent

CA 1156129

CIRCUIT FOR PITCH AND TILT OF DOZER BLADE ABSTRACT OF THE DISCLOSURE A circuit for controlling pitch and tilt of a dozer blade in which two cylinders are connected between the dozer blade and the dozer push arms. One cylinder only is extended and retracted to achieve tilt, and both cylinders are operated in unison to achieve pitch with divider valves assuring that equal volumes of hydraulic fluid reach each cylinder and are expelled from each cylinder. Extension and retraction is selectively determined by a directional con- trol valve, while a selector valve determines whether both cylinders or only one cylinder is connected with the di- rectional control valve.

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