| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the burden of an operator and to attain positioning lock of a manipulation rod at a desired position and in a desired attitude. SOLUTION: A slide rail 3 capable of sliding in a cross direction on the inner surface of a bucket 1 is fixed to a hanging tool 2 to be mounted to the bucket 1, a rotating block 5 horizontally rotatable is mounted on the upper part of the slide block 4 engaged with the slide rail, a slide block 7 is mounted on the upper part of a swing plate 6 vertically oscillatingly-mounted on the upper part of the rotating block 1. A clamp block 10 is mounted on front and rear of the upper end of the slide rail 8 engaged with the slide block so as to move back and forth. A manipulation rod 9 is fitted to a lamp block, and a balance weight 11 is attachably/detachably-mounted to the rear end of the swing plate 19. A lock mechanism is involved capable of locking the movement of the slide block, the rotating block, the swing plate, and the slide rail engaged with the slide block at a desired position and in a desired attitude.</p> |
