Book binder and display easel

Details Book binder and display easel Book binder and display easel

1985-08-08

1986-09-02

Bell, Paul A.

Books, strips, and leaves

Book, element thereof, or accessory therefor

Covers

281 25A, A47B 2300, B42D 100

Patent

active

046092064

ABSTRACT:
A book binder which has a cover, convertible to an easel having primary utility for instruction purposes. The book binder is characterized by a combined folding characteristic in the cover together with vertebrate page retainer and anchor hinge therefore. The anchor hinge is offset from the spine of the book and defines an extension strut to limit the angular relation of top and bottom segments of the cover.

REFERENCES:
patent: 1522409 (1925-01-01), Berry
patent: 2523202 (1950-09-01), Ericson

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