Ring binder

Details Ring binder Ring binder

2005-12-13

2005-12-13

Carter, Monica S. (Department: 3722)

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

C402S019000, C402S070000, C402S500000

Reexamination Certificate

active

06974273

ABSTRACT:
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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