Locking ring binder mechanism with control slide

Details Locking ring binder mechanism with control slide Locking ring binder mechanism with control slide

1982-11-26

1986-02-18

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 39, 402 41, B42F 304, B42F 1320

Patent

active

045711089

ABSTRACT:
This is a device for holding sheets of paper in a loose-leaf notebook. The mechanism comprises rings upon which the sheets are filed, a deformable surface which controls the action of the rings, a control slide which alters the shape of the surface, a cover and a base. The shape of the control slide, base and cover assure positive control over the position of the rings.

REFERENCES:
patent: 974831 (1910-11-01), Scherzinger
patent: 1897001 (1933-02-01), Dawson
patent: 2013416 (1935-09-01), McClure
patent: 2439675 (1948-04-01), Segal
patent: 2612169 (1952-09-01), Segal

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