Ring binder

Details Ring binder Ring binder

1996-09-04

1998-05-26

Han, Frances

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 26, 402 70, 402 73, B42F 304

Patent

active

057555133

ABSTRACT:
A ring binder is disclosed as being adapted to be secured to a cover by at least one rivet, the ring binder comprising a substantially rigid curved upper plate supporting a pair of pivotable elongate plates to which a plurality of ring members are mounted, and the rivet is engageable directly with the cover and the curved upper plate, and the rivet includes a cylindrical body with an inwardly bent upper end.

REFERENCES:
patent: 3175847 (1965-03-01), McKowen
patent: 4295747 (1981-10-01), Errichiello
patent: 4722628 (1988-02-01), Rager
patent: 5100253 (1992-03-01), Cooper
patent: 5160209 (1992-11-01), Schuessler
patent: 5269616 (1993-12-01), O'Neill
patent: 5476335 (1995-12-01), Whaley

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