Ring binder

Details Ring binder Ring binder

1996-09-04

1998-12-01

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 37, 402 38, 402 26, 402 70, 402 73, 402 75, D19 27, D19 32, B42F 1320

Patent

active

058428070

ABSTRACT:
A ring binder adapted to be secured to an article by at least one integral rivet, the ring binder comprising a substantially rigid integral upper plate supporting a pair of pivotable lower plates to which a plurality of ring members are mounted, the rivet comprising (1) a barrel that is in direct engagement with the upper plate and (2) a plurality of claws for securing the article, wherein at least 75% of said claws extend away from a longitudinal axis of the barrel. Also disclosed is a rivet adapted to secure a ring binder to an article, the rivet comprising (1) a barrel for engaging the ring binder and (2) a plurality of claws for securing the article, wherein at least a majority of the claws generally extend away from a longitudinal axis of the barrel.

REFERENCES:
patent: 5100253 (1992-03-01), Cooper
patent: 5106223 (1992-04-01), Kraus
patent: 5160209 (1992-11-01), Schuessler

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