Adjustable ink fountain for duplicating machines

Details Adjustable ink fountain for duplicating machines Adjustable ink fountain for duplicating machines

1989-10-13

1991-07-16

Crowder, Clifford D.

Printing

Inkers

Fountains

116309, B41F 3102, B41F 3300

Patent

active

050315331

ABSTRACT:
An ink fountain assembly for use in duplicating machines, such as rotary offset lithographic machines. A fountain trough is defined by an elongated blade extending along one side of the trough and an ink fountain roller extending along the other side of the trough defining a gap therebetween. A plurality of independently adjustable thumb screws are provided for varying the gap and the ink flow therethrough. A plurality of caps are positionable over the thumb screws in any angular position relative thereto. The caps have indicators to facilitate calibrating the positions of adjustment of the thumb screws.

REFERENCES:
patent: 1112412 (1914-09-01), Adam
patent: 2549332 (1951-04-01), Parker
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patent: 4008664 (1977-02-01), Crum et al.
patent: 4196691 (1980-04-01), Imazeki
patent: 4398465 (1983-08-01), Pozin
patent: 4406224 (1983-09-01), Hajek
patent: 4440084 (1984-04-01), Pozin
patent: 4553477 (1985-11-01), Witczak
patent: 4685417 (1987-08-01), Kronseder

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