| 摘要 |
PROBLEM TO BE SOLVED: To provide an advancing direction variable structure capable of applying the force to realize the predetermined direction by providing the advancing direction in advance with respect to a moving means capable of moving the relative position, and releasing the enforcement to another advancing direction. SOLUTION: The advancing direction variable structure comprises a first member 10 capable of relatively controlling the advancing direction of the moving means and a second member 20 provided in a relatively fixed or movable manner to the moving means, and a pressure applying structure 33 to be pressurized by the pressure is provided between the first member 10 and the second member 20.
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