| 摘要 |
The present invention is a binder for holding a plurality of sheets, which provides for repetitive changes to content identification without the need for substitute labeling. It includes a front member, having an outside surface and an inside surface; a back member, having an outside surface and an inside surface; a connecting mechanism for holding the front member and the back member together; a binding mechanism for temporarily binding a plurality of sheets between the front member and the back member; and, at least one whiteboard attached to at least one of the outside surface of the front member, the inside surface of the front member, the outside surface of the back member and the connecting mechanism. In some embodiments, there is a movable, protective, transparent cover located atop the whiteboard, and this cover is moveable with movement means selected from the group consisting of a hinge arrangement, a flap arrangement and a slide arrangement. The connecting mechanism may be at least one fastener adapted to temporarily hold the front member and the back member together or it may be a spine that is permanently connected to the front member and the back member. In an alternative embodiment, the whiteboard itself is removable and there may be a pocket, slot or other insert, or an attachment means. Such as a latch, a screw, hook and loop (Velcro), or other temporary holding means for temporarily securing the whiteboard to the binder.
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