Loose leaf binder

Details Loose leaf binder Loose leaf binder

1981-01-07

1983-08-02

Bell, Paul A.

Books, strips, and leaves

Book or leaf holder

150 34, 206450, B42D 318

Patent

active

043962092

ABSTRACT:
A non-destructive loose leaf binder for securing and protecting loose leaves of paper is provided with a pressure member affixed to one of a pair of flexibly connected rigid panel members proximal to the flexible connection between the panel members. When the panel members are moved to an overlaying relationship, the pressure member applies a compressive force to the adjoining panel member to selectively secure paper sheets interposed between the panel members.

REFERENCES:
patent: 1336438 (1920-04-01), Kraetsch
patent: 1397645 (1921-11-01), McNeill et al.
patent: 2073337 (1937-03-01), Dewar et al.
patent: 2526909 (1950-10-01), Slonneger
patent: 2645334 (1953-07-01), Aldridge
patent: 2650700 (1953-09-01), Wolf
patent: 3141213 (1964-07-01), Rinaldi
patent: 3192978 (1965-07-01), Horvath
patent: 3612233 (1971-10-01), Nagpal et al.
patent: 3647076 (1972-03-01), Heimann
patent: 4090374 (1978-05-01), Faust et al.
patent: 4241829 (1980-12-01), Hardy

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