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 2228058

A ring binder mechanism adapted to be secured to a cover is disclosed as including a substantially rigid upper curved housing supporting a pair of plates to which three pairs of half ring members are mounted, and a pair of rivets for engagement with the cover. The plates are pivotably movable between a first configuration in which the pairs of half rings are closed, and a second configuration in which the pairs of half rings are open. Each rivet includes an anchor plate to abut the cover and at least one claw penetrable into said cover in order to secure the ring binder mechanism to the cover, and the anchor plate includes a number of ridges or troughs.

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