| 摘要 |
This invention discloses a loose-leaf binder such as a loose-leaf photo album or a loose-leaf file binder, which is disposed a plurality of hinge members having a pillar at one end and an axially concave knuckle at the other end. A slit is formed on the outer wall of the concave knuckle so that a pillar may be inserted into the concave knuckle therefrom. When the assembly is completed, a single page of the photo album or file is created. With the addition of many single pages, a complete photo album or file is formed. The hinge members of the pages of this loose-leaf binder may be easily attached and detached so as to increase or decrease the number of pages of the binder as desired.
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