Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent
1993-04-30
1994-11-29
Echols, P. W.
Binder device releasably engaging aperture or notch of sheet
Sheet retainer travels arcuate path
Travel in plane perpendicular to axis of rotation
B42F 1316
Patent
active
053684079
ABSTRACT:
A carrier rail for a ring binder is formed with a deformation around each point where the ring member is to be attached to the rail, the deformation being in the form of a circular rib.
Echols P. W.
World Wide Stationery Manufacturing Co. Ltd.
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