| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that in a conventional necklace chain with clasps worn on the nape of the neck, the clasps gradually shift to the breast with its weight and the gravity along with wearer's movement. <P>SOLUTION: The necklace chain includes two trapezoid-shaped anti-movement aids 3 and 7 facing each other on their wide bottoms, a chain 6 being slimmer than the trapezoid-shaped anti-movement aids 3 and 7 and connecting both trapezoid-shaped anti-movement aids, and conventional chains having the clasps 1 and 8 at both ends of the trapezoid-shaped anti-movement aids. <P>COPYRIGHT: (C)2013,JPO&INPIT |
