Loose leaf binder with flexible telescopic post assemblies and m

Details Loose leaf binder with flexible telescopic post assemblies and m Loose leaf binder with flexible telescopic post assemblies and m

1977-04-28

1979-01-30

Spruill, Robert Louis

Binder device releasably engaging aperture or notch of sheet

Opposed sheet retainers involving relative rectilinear travel

402 48, 402 57, 402 68, 402503, B42F 300, B42F 1330, B42F 1312

Patent

active

041369815

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 a rigid member and a flexible member which are telescopically arranged and constructed to enable angular orientation of the telescoping components of the post assemblies.

REFERENCES:
patent: 753216 (1904-02-01), Hulquist
patent: 1044753 (1912-11-01), Cooley
patent: 1437329 (1922-11-01), Wilburger
patent: 1452860 (1923-04-01), Wilburger
patent: 2285525 (1942-06-01), Lotter

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