Hinged case providing sectional cover with anti-pinch interleavi

Details Hinged case providing sectional cover with anti-pinch interleavi Hinged case providing sectional cover with anti-pinch interleavi

1988-10-27

1990-04-03

Yost, Frank T.

Books, strips, and leaves

Book or leaf holder

Cooperating with leaf fold

281 45, 16355, B42D 300

Patent

active

049134639

ABSTRACT:
Interleaving troughs (28-30) are securely fixed to a front cover (12) and a back cover (14) of a hinged apparatus (10). The first and second troughs (28-30) are generally semicircular in shape and are dimensioned to slidably cooperate with each other. A gap (34) is formed between the second trough (30) and the back cover (14) to receive the first trough (28) when the apparatus (10) is in a fully opened position. When the apparatus (10) is closed, first and second troughs (28-30) form a generally cylindrical container (36) for holding a wire spiral (26) of a book (20). When the apparatus (10) is closed, a void (38) of less than 3/16 inch is formed between the first and second troughs (28-30). The void (38) meets the ASTM standards for toy safety with regard to a pinching hazard.

REFERENCES:
patent: 3359594 (1989-12-01), Pastoor
patent: 4307486 (1981-12-01), Matsumoto

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