Loose leaf binder

Details Loose leaf binder Loose leaf binder

1980-05-20

1982-10-26

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 31, B42F 304, B42F 1320

Patent

active

043559166

ABSTRACT:
The present loose leaf binder consists of two main sections each provided with spaced half rings and held together by means of metal links or a length of suitably bent metal wire. Between the two main sections of the binder there is an elongated strip selectively movable to open and close complementary pairs of the binder half rings. The free ends of the complementary pairs of half rings are duly fitted with protruding extensions which overlap when the binder is closed.

REFERENCES:
patent: 1398388 (1921-11-01), Murphy
patent: 2548618 (1951-04-01), Purvis
patent: 2888934 (1959-06-01), Segal
patent: 2924221 (1960-02-01), Dudley-Smith

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