F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/56.1
F15B 11/08 (2006.01) F15B 11/024 (2006.01)
Patent
CA 1263069
-22- ABSTRACT " A selective control device for plural kinds of oil-hydraulic actuators " In a selective control device for plural kinds of oil-hydraulic actuators comprising an actuator selective valve for selecting an operative oil- hydraulic actuator from among plural kinds of oil- hydraulic actuators and a directional control valve for operating the selected actuator extendedly and retractedly, the actuator selective valve is provided with a quick extensional position which functions to connect an extensional pressure port thereof to a bottom side oil chamber of the selected actuator and also to connect a head side oil chamber to the bottom side oil chamber in order to extend the selected actuator quickly. The construction of the actuator selective valve eliminates a quick extensional valve adopted in a prior oil-hydraulic control device.
511324
Harada Takuo
Kurashima Toshiaki
Kirby Eades Gale Baker
Sanyokiki Kabushiki Kaisha
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