Printer

Details Printer Printer

1987-05-05

1988-01-05

Pearson, Charles

Typewriting machines

Sheet or web

For feeding web record-medium

4006361, 4006371, B41J 1130, B41J 13036

Patent

active

047172746

ABSTRACT:
There is disclosed a printer provided with a sheet advancing roller to be wound by a printing sheet and for advancing the printing sheet upon rotation, first and second movable pressure rollers which can be contacted with or separated from the sheet advancing roller, and a mechanism for contacting or separating the first and second movable pressure rollers with or from the sheet advancing roller, further provided with an operating knob for contacting either of the first and second movable pressure rollers with the sheet advancing roller.

REFERENCES:
patent: 848316 (1907-03-01), McLaughlin
patent: 1270979 (1918-07-01), Schwartz
patent: 2131152 (1938-09-01), Stickney
patent: 3880016 (1975-04-01), Jamieson et al.
patent: 4197022 (1980-04-01), Dollenmayer
patent: 4421428 (1983-12-01), Noda et al.
patent: 4486108 (1984-12-01), Tanaka
IBM Technical Disclosure Bulletin vol. 19 No. 5 Nov. 1976 pp. 1955-1956 "Feed Rollers, Aligner & Paper Bail Actuation" by Bullock et al.
IBM Technical Disclosure Bulletin vol. 23 No. 9 Feb. 1981 pp. 3961-3963 "Automatic First Writing Line Mechanism" by Sweat, Jr.

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