| 摘要 |
PROBLEM TO BE SOLVED: To provide a step for ascent/descent, which can be attached/detached with one hand without use of a tool.SOLUTION: A step for ascent/descent includes: a sandwiching body 2 that has two parallel sandwiching parts 21 and 22 assuming an approximately U-shape; an elastic body 3 that temporarily sandwiches one piece part 102 of a main column material 101 between itself and the second sandwiching part 22 by inserting the one piece part 102 between the sandwiching parts 21 and 22; and a scaffold body 4 that sandwiches the one piece part 102 between itself and the second sandwiching part 22 when fastened after being screwed through a screw hole 21a formed in the first sandwiching part 21.SELECTED DRAWING: Figure 1 |
