B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
B42F 3/04 (2006.01)
Patent
CA 2272496
There is disclosed a ring binder mechanism to be secured to a cover, the mechanism including a pair of plates mounted with a number of half rings, the plates being retained by a number of wires for pivotal movement between a position in which the half rings are open, and a position in which the half rings are closed, and two levers which may be moved to pivot the plates between the two positions, each of the plates including a protrusion received within a respective hole aperture of the lever to allow the lever to pivot relative to the plates.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
World Wide Stationery Manufacturing Company Limited
LandOfFree
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