Method of assembling front handrail frame and framework scaffold for frame scaffold

摘要

A sliding front handrail frame for easy and secure frame scaffolds is obtained. A first guide portion 20 is provided on the left and right sides of the center portion in the vertical direction of the handrail frame 10, and a second guide portion 30 is provided on the left and right sides of the bottom portion. Between the first guide portion 20 and the second guide portion 30, two parallel pipes of the frame frames 73 and 73 are fitted in the floating state to be movable up and down. The first guide is fixed to the L-shaped metal fitting and protruded to the left and right sides of the side surface of the handrail frame 10, and is bent and bent relative to the pushing force acting on the guide. With this mechanism, the first guide is suspended by a lock pin or the like to hold a predetermined position. In the descending movement, a handle provided in the substantially central portion is connected to the L-shaped metal fitting, and the first guide is bent by the rotation of the handle, and the suspension is released. The second guide is detachable by a handle operation.