Inking apparatus

Details Inking apparatus Inking apparatus

1976-05-17

1977-09-27

Fisher, J. Reed

Printing

Printing members and inkers

101298, B41F 140

Patent

active

040503798

ABSTRACT:
An inking device for record media includes a self-contained ink reservoir bordered by a holder portion as one wall of the reservoir, and a backing plate as another wall adjacent a porous rubber electro pad. The backing plate includes a plurality of chamfered apertures therethrough which are circumscribed by a like number of slotted tubes which tubes separate the backing plate and the holder portion. A steel ball is positioned within each tube and controls the flow of ink from the ink reservoir to the electro pad by reason of swinging movement of the device wherein the ball is unseated from the chamfered aperture in the downward direction of movement upon the electro pad striking the record media to permit flow of ink to the pad, and the ball is reseated on the aperture during return movement of the device to stop the flow of ink to the pad. A low hydraulic pressure occurs during the striking action to unseat the ball and a suction occurs on the return movement to reseat the ball.

REFERENCES:
patent: 970295 (1910-09-01), Beard
patent: 1073340 (1913-09-01), Furman
patent: 2316040 (1943-04-01), Wirfel
patent: 2414895 (1947-01-01), Reynolds
patent: 2857839 (1958-10-01), Jamieson
patent: 3146703 (1964-09-01), Mason et al.
patent: 3218967 (1965-11-01), Childress
patent: 3376812 (1968-04-01), Sterling
patent: 3572243 (1971-03-01), Gronau
patent: 3885495 (1975-05-01), Funahashi

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