Document files

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1976-02-09

1980-03-04

Schnall, Jerome

Binder device releasably engaging aperture or notch of sheet

Pliant, deformable sheet retainer

Secured by folded portion thereof

24 16PB, B42F 1306, B42F 1308

Patent

active

041914848

ABSTRACT:
A document file is disclosed having a quick release clamping mechanism. The mechanism includes a tube of resilient and flexible plastic having a central portion anchored in the file and two end portions onto which documents with punched holes can be threaded. The mechanism includes a clamping plate also to be threaded onto the two end portions and having clamping tongues under which the free end portions of the tube can be wedged after passing through holes in the clamping plate. Each clamping tongue has a cam surface to improve the wedging action it imparts to the end portions of the tube.

REFERENCES:
patent: D208729 (1967-09-01), Geisinger
patent: 1690230 (1928-11-01), Kline
patent: 2432409 (1947-12-01), Gooley
patent: 2434083 (1948-01-01), Snyder
patent: 3073315 (1963-01-01), Schade

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