| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic circuit capable of securing reliability for a vehicle by allowing a steering operation and the like even in emergency such as a trouble, by simple circuit constitution, while allowing opening and closing for a cabin or other opening and closing member. SOLUTION: A connection part 30a for conducting joining connection to allow reinforcement by a pressurized oil from a motor-driven hydraulic pump 4 is provided in a pipeline 30 on a power steering-hydraulic circuit. |
