| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball chain having a fail safe function on a connected member and easily recognizing the position of the connected member. SOLUTION: A synthetic resin ball is molded and fixed on a cord in equal intervals, and both ends of the cord are connected by the connected member 11, and the ball chain is formed to be the endless shape. The connected member 11 has a first connected member 12 and a second connected member 13 fitted with each other, and at least one of the first connected member 12 and the second connected member 13 has a color different from the ball 10. COPYRIGHT: (C)2011,JPO&INPIT |
