Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1980-06-16
1982-10-26
Bell, Paul A.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
402 73, B42D 318
Patent
active
043558216
ABSTRACT:
A loose-leaf display binder formed of a cover of flexible sheet material, preferably of one piece and of uniform bendability from top to bottom, which forms front and back cover panels hinged to a spine panel, and also a triangular brace panel hinged to the lower edges of the cover panels and foldable flat against their inner faces to permit the binder to be opened and closed as a book. The binder also includes a stiff spine bar having means such as loose-leaf rings for binding leaves thereto. The upper portion of the spine bar is fixedly connected to the upper portion of the cover spine panel, and the lower portion of the cover is left free to be flexibly bowed rearward away from the lower end of the spine bar to form a rear display support for the binder. The bottom panel is then swung forward and down and connected at its front to the bottom end of the stiff spine bar so as to hold the bottom edges of the cover panel rigidly in alignment and spaced rearward from the lower end of the spine bar, such lower edges and the lower end of the spine bar then forming a highly table support for the binder as an easel for display of its contents.
REFERENCES:
patent: 575928 (1897-01-01), Ives
patent: 2375190 (1945-05-01), Botts
patent: 2380780 (1945-07-01), Novak
patent: 3121576 (1964-02-01), Schade
patent: 3152580 (1964-10-01), Tinsler
patent: 3334920 (1967-08-01), Orth
Bell Paul A.
Brown John S.
Crawford Industries, Inc.
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