Paper cutting machine

Details Paper cutting machine Paper cutting machine

1990-04-06

1992-07-21

Yost, Frank T.

Cutting

Processes

83365, 83367, 834687, 83520, 83521, B26D 701

Patent

active

051313014

ABSTRACT:
A sensing mechanism for use with a paper cutting machine having a table for supporting a pile of sheets to be cut. There is provided a knife for cutting the pile, a movable clamp for the pile, a back gauge for movement along the table against the pile to position it for cutting. A camera is provided for positioning over the table to observe a target area of the surface of the top sheet on the pile, containing marking indicating a desired cutting line. A visual display device is located remote from the camera and operatively connected thereto to display a visual image of the target area. The display is provided with reference marking for registry with said cutting marking on the top sheet when the pile is in a position a known distance from the cutting position.

REFERENCES:
patent: 1952073 (1934-03-01), Jones
patent: 3470778 (1969-10-01), Mohr
patent: 3656391 (1972-04-01), Von Arx
patent: 3763730 (1973-10-01), Ahlegian
patent: 4025025 (1977-05-01), Bartel et al.
patent: 4331050 (1982-05-01), Gergek
patent: 4380946 (1983-04-01), Mayston
patent: 4503740 (1985-03-01), Brand et al.
patent: 4641828 (1987-02-01), Yajima
patent: 4932131 (1990-06-01), McMurtry et al.

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