Forklift and Fork Control Method

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200002144A1
SERIAL NO

16465182

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A forklift includes forks, cylinders for causing the forks to perform an ascending/descending operation in accordance with the flow rate of hydraulic oil, a first valve for controlling the flow rate of the hydraulic oil in accordance with an energizing current, a second valve 6 for regulating the flow rate of the hydraulic oil in accordance with cylinder pressure, and a control portion that calculates the flow rate to be regulated by the second valve, on the basis of cylinder pressure detected by a pressure sensor, calculates a current command value for the energizing current, with the flow rate to be controlled by the first valve being set equal to the regulated flow rate, and changes the energizing current in two stages, with the current command value as the upper limit of the energizing current, thereby decelerating the forks in two stages when stopping the ascending/descending operation.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI LOGISNEXT CO LTDNAGAOKAKYO-SHI KYOTO 6178585

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KIMURA, Harukazu Kyoto, JP 2 0

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