A ring binder mechanism

Details A ring binder mechanism A ring binder mechanism

B - Operations, Transporting

42

F

B42F 13/16 (2006.01) B42F 13/00 (2006.01)

Patent

CA 2228349

A ring binder mechanism adapted to be secured to a cover is disclosed as including a pair of rivets, and a substantially rigid curved upper housing supporting a pair of plates to which three pairs of half ring members are mounted. The pair of plates are pivotably movable between a first configuration in which the three pairs of half ring members are closed, and a second configuration in which the three pairs of half ring members are open. Each of the rivets includes an anchor plate and a number of claws which may penetrate into, and thereby secure the ring binder mechanism to, the cover. The anchor plate includes two stepped ribs for supporting the housing when the ring binder mechanism is secured to the cover.

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