F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 21/08 (2006.01) B66F 9/20 (2006.01)
Patent
CA 2060347
?. ABSTRACT In a control device for forklift on which a flow con- trol signal is sent from a controller in accordance with a manipulated variable of work machine lever operated by the operator and this flow control signal regulates the degree of opening of an electromagnetic proportional control valve in an oil pipe line to control the working speed of lift cylinders, the degree of opening of the electromagnetic proportional control valve is regulated by a flow control signal having a characteristic such that the value of flow control signal changes in accordance with the load of lift cylinders in the inching zone where the manipulated variable of work machine lever is relatively small, which improves the operability in the inching zone.
Aoki Kanji
Midorikawa Toshiyuki
Uchiyama Yukio
Fetherstonhaugh & Co.
Mhi Sagami High Technology & Control Engineering Co. Ltd.
Mitsubishi Jikogyo Kabushiki Kaisha
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