FALL PREVENTION STRUCTURE OF BASEMENT

摘要

PROBLEM TO BE SOLVED: To prevent a person from falling into a basement from a side face of an entrance and exist door when he opens the door to come in and out of the basement. SOLUTION: A fall prevention fence 10 capable of expanding and shrinking freely in the interlocking relationship with opening and closing of the door 5 is provided between the door 5 in both side parts of the door 5 to the basement and a floor surface.