Three-side cutting apparatus

摘要

A three-side cutting apparatus which cuts a carried-in book at its top, bottom and side. The apparatus comprises top and bottom size setters; transverse size setter; transfer quantity calculating member for calculating a quantity of transfer of the book to the cutting position on the basis of the signal indicative of the transverse size from the transfer size setter and outputting a signal indicative of the transfer quantity; top and bottom cutters for moving a pair of opposing cutters toward and away from each other under control of the signal indicative of the top and bottom sizes; position adjuster controlled in accordance with the signal indicative of the top and bottom sizes for adjusting the position where the book is fed in; aligner controlled by the signal indicative of the transverse size for moving the aligning position and the position of the back of the book; and feed-in member for setting a movement distance based on the signal indicative of the movement quantity and moving the book to the cutting position.