作者: Robert P. Crandall , John M. Fiske
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摘要: Electrostatographic apparatus for providing bound sheet sets suitable folding. The sides of the are staggered so that, upon folding, edges become accurately aligned. Staggering is accomplished by progressively cutting sheets shorter as they to be positioned in stack, and aligning stacked a trapezoidal shape before stapling together. Aligning an inclined surface which makes acute angle approximately 32° with flat sheets. Movement images on also provided keep outside borders various equal.