Binder device releasably engaging aperture or notch of sheet – Opposed sheet retainers involving relative rectilinear travel
Patent
1977-04-28
1978-12-12
McGehee, Travis S.
Binder device releasably engaging aperture or notch of sheet
Opposed sheet retainers involving relative rectilinear travel
402 59, 402 68, B42F 302, B42F 330
Patent
active
041293967
ABSTRACT:
A loose leaf binder having a supporting base or lower cover member and a top cover member interconnected by post assemblies receiving a plurality of paper sheets together with a bar mounted on the post assemblies for longitudinal movement thereon with the bar being retained in adjusted position by magnetic attraction between the bar and post assemblies. Each of the post assemblies are constructed of rigid telescopic members.
REFERENCES:
patent: 1044753 (1912-11-01), Cooley
patent: 2285525 (1942-06-01), Lotter
patent: 3972632 (1976-08-01), Carter
Jacobson Harvey B.
McGehee Travis S.
O#Brien Clarence A.
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