Books – strips – and leaves – Book – element thereof – or accessory therefor – Binding
Patent
1990-08-07
1992-04-07
Gorski, Joseph M.
Books, strips, and leaves
Book, element thereof, or accessory therefor
Binding
281 211, 402 80P, 412 43, B42D 106, B42B 900
Patent
active
051021676
ABSTRACT:
A binding system, employing a first plastic elongated strip with spaced integral studs and a second plastic elongated strip having similarly spaced apertures and recesses, is provided which resists impact forces caused by dropping a bound book. A first fixed spacing of studs is provided along a mid-span portion of the first strip and a second fixed smaller spacing of studs provided at both end portions of the first strip which reinforces the end portions against stud breakage or extrusion caused by impact forces. In the preferred embodiment, the three end studs at each end of the strip are spaced at a second fixed spacing distance stud center-to-center of only one-half the first fixed spacing at the long mid-span portion of the strip. In another embodiment, a generally second fixed spacing of one-third the mid-span spacing with the at least two of the end portion studs being staggered from the center longitudinal axis of the strip is shown. An additional embodiment includes one or more integral studs of the end portions of the strip having a substantially greater cross-sectional area than the studs in the mid-span portion of the strip. In each embodiment, the binding is end reinforced against impact forces.
REFERENCES:
patent: 1763075 (1930-06-01), Unger
patent: 1812435 (1931-06-01), Hamilton
patent: 1991362 (1935-02-01), Krag
patent: 2002071 (1935-05-01), Welk
patent: 4620724 (1986-11-01), Abildgaard et al.
patent: 4708560 (1987-11-01), Abildgaard et al.
patent: 4844674 (1989-07-01), Tipps et al.
Gorski Joseph M.
Taurus Tetraconcepts, Inc.
Vo Peter D.
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