WORKER FALLING PREVENTION DOOR OF GANG FORM

摘要

An operator fall down prevention door of a gang form is provided to prevent an operator in a cage from falling down through an opened both end of the gang form by making the door closed automatically by the elasticity of a spring when the gang form is lifted up. An operator fall down prevention door of a gang form comprises: a hinge(31) whose one side is fixed at a gang form frame(12) located at both side of a inner cage working passage; a fall prevention door(30) in which the other end of the hinge is fixed; a spring inserted and installed in the inner side of the gang form frame; and a hanger(33) installed two parts of the cage inner side of the gang form connecting to the fall prevention door with being opened. The fall prevention door maintains the open state.