| 摘要 |
<p>An article, e.g., a jewel box comprising a first member and a second member which are separately formed to be folded and unfolded by rotating of one member relative to the other member about an axis of hinge wherein the hinge comprises protrusions and recesses formed alternately and integrally with the first member and recesses and protrusions formed alternately and integrally with the second member such that the respective protrusions and recesses of the first member correspond to and conform with the corresponding recesses and protrusions of the second member. Said protrusions and the corresponding recesses have respective inclined planes adapted to contact each other. Said hinge further comprises a biasing means for resiliently fastening said two members. The hinge portion of the article is simple and stable in structure, easy and low cost consuming in manufacturing.</p> |
