摘要 |
A adjustable binder apparatus for holding papers or other sheet materials together in a manner that does not concentrate pressure on small areas of the paper. The adjustable binder apparatus includes a main member defining a gap for receiving a portion of sheet materials. A pressure assembly is mounted in the gap of the main member, and is slidably movable in the gap for abutting against a portion of sheet materials when the sheet materials are inserted into the gap. The pressure assembly is releasably securable to the central portion of the main member such that spacing between the pressure assembly and one of the side portions of the main member is adjustable.
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