Typewriting machines – Sheet or web – Including insertion of sheet from front of platen
Patent
1989-07-24
1990-10-09
Burr, Edgar S.
Typewriting machines
Sheet or web
Including insertion of sheet from front of platen
4006072, 4006083, 4006362, B41J 1154
Patent
active
049616579
ABSTRACT:
A rotating and driving mechanism for a record media feed roller adjacent a printing station. The feed roller is supported by the platen assembly and is movable therewith to provide a path for the record media through the printing station. A plate member is pivotally supported on an adjacent feed roller and includes slots therein. A cam member is positioned between a side frame and the plate member and includes pins for operating in the slots of the plate member and has a surface engaging with the shaft of the feed roller. Rotatable means is provided for moving the platen assembly to form the record media path. The rotatable means includes an arm for limiting movement of the plate member relative to rotational forces derived when driving the feed roller to advance the record media through the printing station.
REFERENCES:
patent: 3902418 (1975-09-01), Morishita et al.
patent: 4188138 (1980-02-01), Yamazaki
patent: 4262894 (1978-09-01), Marano
patent: 4422782 (1983-12-01), Lawter et al.
patent: 4657420 (1987-04-01), Kondo
patent: 4662765 (1987-05-01), Kapp et al.
patent: 4671441 (1987-06-01), Hauslaib
patent: 4688958 (1987-08-01), Tajima
patent: 4865305 (1989-07-01), Momiyama et al.
Jingu Toshihiro
Kusayanagi Masao
Burr Edgar S.
Hawk Jr. Wilbert
Keating Joseph R.
Muckenthaler George J.
NCR Corporation
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