| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an anchoring device of a lifeline for slope area work capable of safely doing work in a slope having a small step and a water draining groove. <P>SOLUTION: The anchoring device of the lifeline for the slope area work in which the small step 22 is formed in the midway of slopes 20, 21 and the water draining groove 10 is arranged in the small step 22 has a base frame 1 having a vertical plate portion 1a contacting with one inner wall 10a of the water draining groove 10 and a horizontal plate portion 1b contacting with a horizontal face 10c continuing from the inner wall 10a, a threaded rod 2 whose proximal end portion is secured to the middle portion of the vertical plate portion 1a of the base frame 1 and vertically erected in an opposite direction of the horizontal plate portion 1a, a movable plate 3 secured to the distal end portion of the threaded rod 2 movably along the longitudinal direction of the threaded rod 2 and substantially parallel to the vertical plate portion 1a, a handle 4 threaded with the threaded rod 2 and pressing and contacting the movable plate 3 to the other inner wall 10b of the water draining groove 10, and the anchoring portion 5 fixed to the base frame 1 and anchoring a hook portion 7 of the end portion of the lifeline 6, thereby the work can be safely done. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
