| 摘要 |
PROBLEM TO BE SOLVED: To provide a removal type lifting step of a construction machinery comprising a structure capable of preventing a step from jumping and being released.SOLUTION: A lifting step 1 comprises: a step body 6; and a bracket 7 fixed to a side face of a crawler frame 3 and to which the step body 6 is hooked. The step body 6 comprises: an insertion part 14 which is inserted into a space between a top plate 9 of the bracket 7, and a pin 10 disposed on the bracket 7; and a recessed state hook part 15 extending from the insertion part 14, and hooking to the pin 10 from an upper side. The insertion part 14 is inserted into the space between the top plate 9 and the pin 10, the hook part 15 is brought into contact with the pin 10, then, a tip part side of the step body 6 is rotated downward, around the pin 10, thereby the top face of the insertion part 14 contacts a rear face 9a of the top plate 9, and the step body 6 is hooked to the bracket 7.SELECTED DRAWING: Figure 3 |
