| 摘要 |
PROBLEM TO BE SOLVED: To provide a robot arm mechanism allowing removing a failure arm by another arm for exchanging it with a new arm when a robot arm is in failure. SOLUTION: A fitting part 16 is mounted on connecting parts for having the fitting part 16 inserted into a body 1 of the other arm or an inserting part 20 of an arm to have a lock pin 17 inserted into a pin engaging hole 21 for locking and to have a plug 18 engaged with a receptacle 22. When the arm is removed, a hand hook is inserted into a groove 4 of an adapter 3 of the connecting parts 10a-10c for holding. When the adapter 3 is rotated clockwise or counterclockwise, the lock pin 17 is removed from the pin engaging hole 21 and the locking is released to draw the connecting parts, thereby the fitting part 16 can be removed from the body 1 or the arm.
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