Multicolor inking mechanism for a printer

Details Multicolor inking mechanism for a printer Multicolor inking mechanism for a printer

1986-12-22

1988-08-02

Wiecking, David

Printing

Multicolor

Inkers

101103, 101175, 101348, B41F 3118, B41F, B41F

Patent

active

047607874

ABSTRACT:
A two color printer of the ink roll type which can attain change-over in color with high accuracy with a simple construction. The printer comprises a plurality of type wheels arranged in a row and a pair of ink rolls in which inks of different colors are impregnated. A change-over cam is integrally provided on an end one of the type wheels and has first and second cam sections formed in an axially and circumferentially displaced phase relationship thereon. The ink rolls are carrier on a roll carrier which is mounted for pivotal and sliding movement toward and away from the type wheels and has first and second cam pawls opposed to the first and second cam sections of the change-over cam, respectively, whereby the first and second cam pawls of the roll carrier are alternately engaged with the first and second cam sections of the change-over cam, respectively, to selectively contact one of the ink rolls with the type wheels.

REFERENCES:
patent: 79910 (1868-07-01), Hunt
patent: 293668 (1884-02-01), Osborne
patent: 305207 (1884-09-01), Mack
patent: 684450 (1901-10-01), Mowbray
patent: 851039 (1907-04-01), Southgate

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