PURPOSE: To facilitate connecting both couplers while an operator is aboard a vehicle by a method in which the working machine side holder is made to approach the vehicle side holder to connect both couplers on the vehicle and working machine sides.
CONSTITUTION: In connecting the vehicle side coupler 53 with the working machine side coupler 54, a rocking arm 77 is held on the titled position on working machine side, and the couplers 54 and 53 are faced each other back and forth through the working machine side holder 86 on the upper side of the arm 77. The vehicle is made to approach the working machine to connect both the couplers 53 and 54. Since the arm 77 is tilted toward the vehicle side, the connection of the couplers 53 and 54 can be made from the vehicle side, and the couplers 53 and 54 can be positioned by the back and forth movements of the arm 77.
GOKENYA TAKASHI
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