Printing apparatus and method of forward and reverse sheet feedi

Details Printing apparatus and method of forward and reverse sheet feedi Printing apparatus and method of forward and reverse sheet feedi

1992-10-14

1993-07-13

Eickholt, Eugene H.

Typewriting machines

Sheet or web

Including skew correction responsive to position of sheet or...

400629, 271 21, 271226, B41J 1142

Patent

active

052267415

ABSTRACT:
A printer apparatus having a sheet feeding roller which rotates in the forward direction only when the platen rotates in the reversed direction, and a auxiliary sheet feeding roller rotating in the forward direction both when the platen rotates in the forward direction and when it rotates in the reverse direction, when the platen rotates in the forward direction, the printing sheet is nipped at a predetermined amount between the platen and the driven roller, and thereafter while the platen is rotated in the reverse direction sufficient for pushing the thus nipped sheet back while the auxiliary sheet feeding roller rotates in the forward direction to eliminate an undesirable skew, whereby the printing sheet is bent being pushed in front and in rear, and thereafter the platen is rotated in the forward direction again, to transport the printing sheet to a printing start position.

REFERENCES:
patent: 4248415 (1981-02-01), Steinhilber
patent: 4552470 (1985-11-01), Yana et al.
patent: 4652161 (1987-03-01), Crean et al.
patent: 4687362 (1987-08-01), Ruwzi
patent: 4798374 (1989-01-01), Ito
patent: 4802778 (1989-02-01), Takahashi et al.
patent: 5009532 (1991-04-01), Akazawa et al.
patent: 5035413 (1991-07-01), Yamada et al.
patent: 5051014 (1991-09-01), Takagi et al.
patent: 5052836 (1991-10-01), Genno
patent: 5062726 (1991-11-01), Iwomata et al.

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