Conveying device for a recording paper

Details Conveying device for a recording paper Conveying device for a recording paper

1997-06-24

1998-09-29

Bennett, Christopher A.

Typewriting machines

Sheet or web

Including friction-feed means

347218, 400636, B41J 1303

Patent

active

058137831

ABSTRACT:
Two intermediate gears are respectively disposed between a driving gear and a driven gear so as to mesh with both thereof. The driving gear is driven by a pulse motor. The driven gear is integrally rotated with a capstan roller. Rotational velocities of the intermediate gears are different each other due to eccentricity of the driving gear. The driven gear is always rotated by the faster one of the intermediate gears so that influence by unevenness of rotational velocity of the driving gear is reduced. Accordingly, unevenness of conveying velocity for a recording paper may be reduced. Instead of disposing of the intermediate gears, two drive transmission systems may be arranged. One of the systems comprises a first driving gear and a first driven gear. Other of the systems comprises a second driving gear, a second driven gear and two intermediate gears. The capstan roller is always rotated by the faster one of the systems.

REFERENCES:
patent: 4999649 (1991-03-01), Saji et al.
patent: 5218380 (1993-06-01), Fiscella
patent: 5221149 (1993-06-01), Takekoshi et al.

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