| 摘要 |
<p>Provided in the present invention is a ring binder which comprises a first and second bindery members having multiple rings integrally on a single supporter, to improve not only a convenience of manufacturing and using, but also improving a durability of a product with disassembly and assembly, wherein the first and the second bindery members has a joining surface between the supporters composed of an opened joining surface and a closed joining surface linked according to the opening and closing state of the ring, and the ring binder additionally comprises a housing holder maintaining an elastic joining state between the opened joining surface and second joining surface, as a cover body detached from the outside of the node region of the supporter according to the distance of the rings.</p> |
