A ring binder mechanism

Details A ring binder mechanism A ring binder mechanism

B - Operations, Transporting

42

F

B42F 3/04 (2006.01) B42F 13/26 (2006.01)

Patent

CA 2314503

There is disclosed a ring binder mechanism (10) including an upper structure (12) supporting two pivotable plates (14) to which three pairs of half ring members (16) are mounted, in which the plates (14) are pivotable between a first configuration in which the three pairs of half ring members (16) are closed, and a second configuration in which the three pairs of half ring members (16) are open, in which the ring binder mechanism (10) may be secured to a cardboard cover (60) via two rivets (20), in which each rivet (20) includes an anchor plate (40) from an upper major surface of which a post member (38) extends, in which the post member (38) includes an open end deformed to engage with the upper casing (12) via a bushing (22), and in which a sleeve (24) is positioned between the upper casing (12) and the anchor plate (40) of the rivet (20).

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