Album with foldable sheets

Details Album with foldable sheets Album with foldable sheets

1985-09-27

1986-12-09

Bell, Paul A.

Books, strips, and leaves

Strips

281 1, 283 34, 283 35, 401241, B42D 1900, B42D 318, G09B 2904, G09F 100

Patent

active

046276408

ABSTRACT:
An automatically foldable and unfoldable album assembly includes a front cover and a rear cover hingedly joined together and a plurality of foldable sheets joined together in strip fashion. Each sheet contains four panels which are joined together along diagonal fold lines. A pair of opposed inner panels are provided with central vertical folds. The outer panels of adjacent sheets are joined together and are joined to the front and rear cover to form a strip. When one sheet is closed, a sheet adjacent thereto will automatically be opened.

REFERENCES:
patent: 858313 (1907-06-01), Wells
patent: 1531065 (1925-03-01), Boyer
patent: 2525937 (1950-10-01), Palm
patent: 2546878 (1951-03-01), Townley
patent: 2615732 (1952-10-01), Falk
patent: 2824394 (1958-02-01), Lohnes
patent: 3753558 (1973-08-01), Sheroff et al.
patent: 4289333 (1981-09-01), Gaetano
patent: 4502711 (1985-03-01), Muth

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