Three-side cutting apparatus

Cutting – With control means responsive to replaceable or selectable... – Arithmetically determined program

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Details

83207, 83421, 83731, 83934, 198345, 271236, 271254, B26D 109, B26D 506

Patent

active

049227734

ABSTRACT:
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.

REFERENCES:
patent: 2520837 (1950-08-01), Hammond
patent: 3146650 (1964-09-01), Sarring et al.
patent: 3176556 (1965-04-01), Roberts et al.
patent: 3627301 (1971-12-01), Benson
patent: 3722336 (1973-03-01), Sarring
patent: 3884102 (1975-05-01), Faltin
patent: 3906829 (1975-09-01), Westfall
patent: 3965781 (1976-06-01), Stroud
patent: 4047457 (1977-09-01), Stubbings
patent: 4202232 (1980-05-01), Muller
patent: 4700758 (1987-10-01), Bernath

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