| 摘要 |
PROBLEM TO BE SOLVED: To reduce a sense of incompatibility of a driver caused when an attitude of a vehicle is not practically horizontal in a rectilinearly advancing state of a vehicle. SOLUTION: When estimated that the vehicle is put in the rectilinearly advancing state, when hydraulic pressure of a liquid passage 74 is higher by preset pressure or more than hydraulic pressure of a liquid passage 72, a solenoid opening-closing valve 104 is switched to a communicating state. When the hydraulic pressures of the liquid passages 74 and 72 are returned to hydraulic pressures Pc and Pd, the solenoid opening-closing valve 104 is returned to a closing state. Thus, the attitude of the vehicle is set almost horizontal in the rectilinearly advancing state of the vehicle to reduce a sense of incompatibility of the driver.
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