| 摘要 |
An adjustable necklace or bracelet which comprises: a length of chain having a one end and another end; first and second engaging elements having passageways therethrough; means to secure the one end of the chain to the second engaging element, after the chain passes through the passageway of the first element; means to secure the other end of the chain element to the first engaging element, the chain element passing through the passageway of the second engaging element; and means to engage frictionally the exterior of the chain element in the passageways of the first and second elements, to permit the chain element to be engaged in a slidable manner in each passageway and to secure the chain element in position after movement. |
