Embossed cover for ring binder mechanism

Details Embossed cover for ring binder mechanism Embossed cover for ring binder mechanism

1990-06-27

1992-04-21

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

402 37, 402 80R, 402 80L, B42F 1300

Patent

active

051062224

ABSTRACT:
A punched sheet ring binder with configured ring halves, an arcuate mechanism cover with spaced apart platform surfaces to support the sheet border edges during operation of the binder.

REFERENCES:
patent: 3191604 (1965-06-01), Wance
patent: 3246652 (1966-04-01), Lang
patent: 3306301 (1967-02-01), Mason
patent: 3366118 (1968-01-01), Beyer
patent: 3591300 (1971-07-01), Beyer
patent: 3884586 (1975-05-01), Michaelis et al.
patent: 4813803 (1989-03-01), Gross

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