Ring binder housing

Details Ring binder housing Ring binder housing

1993-04-30

1995-02-28

Echols, P. W.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

B42F 1320

Patent

active

053931556

ABSTRACT:
A plate for forming a housing member for a ring binder which is provided with at least one rib positioned longitudinally on the plate along each side thereof, wherein said ribs are provided along the substantial length of each side of the housing member plate.

REFERENCES:
patent: 2571945 (1951-10-01), Rennie
patent: 4368995 (1983-01-01), Cohen

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