Ring binder

Details Ring binder Ring binder

B - Operations, Transporting

42

F

B42F 3/04 (2006.01) B42F 13/24 (2006.01)

Patent

CA 2428911

A ring binder including an elongate base plate having ring segments fixed thereto, a flap hinged to the base plate having mating ring segments thereon swingable to open and close the rings, and a crankshaft journalled on the base plate for swinging the flap.

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