Mechanism for a coloring and inking device of a printer

Details Mechanism for a coloring and inking device of a printer Mechanism for a coloring and inking device of a printer

1997-02-11

1998-03-24

Fisher, J. Reed

Printing

Rolling contact machines

101358, B41F 300

Patent

active

057300542

ABSTRACT:
An inking and coloring device for a printer has a pair of ink supply rollers, a pair of ink transfer rollers, a printing drum, a cam arm and a drive device. Each of the ink transfer rollers are movable between a first position in which the ink transfer rollers contact a respective ink supply roller and a second position for transferring ink to the printing drum. Each of the ink transfer rollers are connected to a respective cam roller operable by the cam arm. The drive device causes the cam arm to move in a reciprocal manner, thereby causing each cam roller to move a respective ink transfer roller between its first and second positions. The arrangement is such that when one ink transfer roller is in the first position, the other is in the second position and, vice versa. The printing drum is reciprocally movable between the ink transfer rollers simultaneously with the movement of the said cam arm.

REFERENCES:
patent: 1447333 (1923-03-01), Bacon
patent: 2017010 (1935-10-01), Meisel et al.

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