Raschig bind ring mechanism

A raschig ring binding mechanism according to claim 5 wherein said locking recess

further includes retainer means for releasably preventing said second end portion of said ring from being moved in an unlocking direction toward an unlocked position opposite to said locking direction.

Heavy duty raschig ring binders used for photo albums, parts catalogs, salesmen presentation kits, student notes and classroom materials, office records and the like typically include a plurality of generally O-, U- or D- shaped metal rings for holding apertured sheets of paper or the like. These rings divide in half to open and are opened individually or together to remove, replace or add sheets. With minimum use, the area around the holes of the sheets become torn from the misaligned and jagged ends of these rings. Consequently, for many applications the area of the sheets surrounding the holes must be reinforced.

Raschig bind ring mechanism

By: ericfu

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