As it droops to the work plane of safe tool and fall prevention security manner for fall prevention and

摘要

PROBLEM TO BE SOLVED: To provide: a fall preventive safety device which surely prevents a worker from falling by an assisting tool mounted to a main rope below a fall preventive implement, even if the worker falls down with the fall preventive implement held in his hand; a fall preventive safety securing method using the fall preventive safety device; and the assisting tool for fall preventive implement.;SOLUTION: This fall preventive safety device includes: the fall preventive implement M including a locking mechanism 3 mountable to the main rope 2 and a lifeline 4 connected to the worker H; and the assisting tool S mounted to move along the main rope 2 below the fall preventive implement M. The assisting tool S is provided with an auxiliary fall prevention mechanism 9, which receives the downward moving fall preventive implement M when the fall preventive implement M moves down along the main rope 2 to press the main rope 2 disposed to penetrate the assisting tool S, thereby inhibiting the assisting tool S from moving downward with the downward movement of the fall preventive implement M.;COPYRIGHT: (C)2010,JPO&INPIT