Device for holding sheets provided with perforations

Details Device for holding sheets provided with perforations Device for holding sheets provided with perforations

1983-08-08

1985-07-30

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Coplanar with axis of rotation

402 23, B42F 304, B42F 1320

Patent

active

045318549

ABSTRACT:
The invention relates to a device for holding sheets provided with perforations, preferably endless perforations, in a folder. The holding device comprises a base body portion (6) and a holding loop member (7) with two limbs (12,16). One limb (12) can be rotationally fitted into the base body portion (6) through the perforations in the sheets which are disposed one upon the other, whereas the other limb (16) can be resiliently retained in the base body portion (6) by turning the loop member (7).

REFERENCES:
patent: 331259 (1885-11-01), Shannon
patent: 575238 (1897-01-01), Hotchkiss
patent: 1638878 (1927-08-01), Pott
patent: 1738223 (1929-12-01), Barnes
patent: 1791916 (1931-02-01), Watson
patent: 2709439 (1955-05-01), Schade
patent: 4172675 (1979-10-01), Lacourt

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