Device for trimming and cutting computer printer paper

Details Device for trimming and cutting computer printer paper Device for trimming and cutting computer printer paper

1992-05-26

1993-08-17

Yost, Frank T.

Cutting

With control means responsive to replaceable or selectable...

83255, 83278, 83365, 83367, 83371, 83408, 834254, 83505, 835081, 83588, 83636, 836511, 83662, 83902, 83945, 83949, 225105, 4006211, B65H 3510, B26F 302

Patent

active

052358828

ABSTRACT:
A device which trims off the perforated margin strips of printer paper and cuts the paper transversely to separate it into individual pages. The paper which discharges from the printer is drawn around a tension bar and is applied to a toothed belt driven by feed wheels. Cutter wheels act against a grooved roller to cut along the tear lines of the margin strips. A photocell based counting system counts the perforations which pass the photocell to indicate each time the paper is advanced to position one of the transverse fold lines at a cutting station. Then, the paper is stopped and a cutter wire is pulled through the fold line to separate the leading page from the rest of the paper sheet. Each time a new sheet of paper is loaded, a special control circuit assures that the initial advance of the sheet stops with the leading edge of the paper at the cutting station.

REFERENCES:
patent: 2252734 (1941-08-01), Sherman
patent: 2380949 (1945-08-01), Davidson
patent: 3863821 (1975-02-01), Van Bennekom
patent: 4623081 (1986-11-01), Hain et al.
patent: 4697726 (1987-10-01), Gaucher
patent: 4721058 (1988-01-01), Hayamizu et al.
patent: 4784318 (1988-11-01), Bay
patent: 4862378 (1989-08-01), Melton et al.
patent: 5067380 (1991-11-01), Seefeldt
patent: 5104022 (1992-04-01), Nakamura et al.
patent: 5120144 (1992-06-01), Lund

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