File folder with fastening mechanism on the inside

Details File folder with fastening mechanism on the inside File folder with fastening mechanism on the inside

1978-01-30

1980-09-02

Mancene, Louis G.

Card, picture, or sign exhibiting

Changing exhibitor

Hinge mounted display item or item support

40359, 402 75, G09F 1900

Patent

active

042199514

ABSTRACT:
A file folder having a fastener mechanism on the inside and provided with a wide back for carrying identification markings and covers extending from the wide back. The folder is made of one piece of hard cardboard on its open side, and has an additional narrow identification back. This narrow identification back, as well as the wide identification back, is connected by folding and bending with an adjacent cover each, through a side edge strip connected in one piece and produced by folding and bending. The side edge strip reaches around the free edge of the other folder cover and is disconnectably attached to it. The side edge strip of the additional narrow identification back has, on its free edge, a projecting insertion tongue, and the facing folder cover has an associated insertion slot. The insertion tongue of the side edge strip has on it a cross groove produced by folding so that the part of the insertion tongue projecting beyond this cross groove by reaching around the insertion slot edge, and through friction with it, causes a self-holding effect of the insertion tongue in the insertion groove.

REFERENCES:
patent: 276962 (1883-05-01), Quillflet
patent: 1191961 (1916-07-01), Griffith
patent: 1271484 (1918-07-01), Laurent
patent: 2129799 (1938-09-01), Viens
patent: 2804872 (1957-09-01), Kraut
patent: 3638967 (1972-02-01), Mullins

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