HAND-DRAWING WORK ASSISTING TOOL FOR MANUALLY OPERATED CHAIN BLOCK

摘要

PROBLEM TO BE SOLVED: To provide a hand-drawing work assisting tool capable of reducing the physical burden of the operator during hand-drawing works without using an electric motor, etc.;SOLUTION: The hand-drawing work assisting tool is to perform winding-up of a chain of manually operated chain blocks and is equipped with a pair of rotary members 2 openably borne by a supporting frame 3 and having joining surfaces 2b joined together by their forefront parts and engaging surfaces 2c to be engaged with the crosswise links of the chain and a grip 1 installed fast on the rotary members 2, and the hand-drawing works of the chain 10 threaded through the tips of the rotary members 2 are conducted by opening and closing the grip 1.;COPYRIGHT: (C)2004,JPO