Ink fountain apparatus for printing press

Details Ink fountain apparatus for printing press Ink fountain apparatus for printing press

2006-10-10

2006-10-10

Yan, Ren (Department: 2854)

Printing

Inkers

Roller

C101S350100, C101S364000

Reexamination Certificate

active

07117791

ABSTRACT:
An ink fountain apparatus for a printing press includes an ink fountain roller, bottom plate, ink fountain, and scraping member. The ink fountain roller is supported rotatably. The bottom plate is arranged at such a position that its distal end portion is close to the ink fountain roller. The ink fountain has a pair of ink dams. The ink dams are arranged in a direction substantially perpendicular to the bottom plate, and oppose each other in an axial direction of the ink fountain roller. Each of the ink dams includes an elastic member and first and second urging members. The elastic member abuts against an outer surface of the ink fountain roller and the bottom plate. The first and second urging members urge the elastic member toward the outer surface of the ink fountain roller and the bottom plate. The scraping member is arranged more downstream of an opposed position, where the ink fountain roller opposes a downstream roller, in a rotational direction of the ink fountain roller, and serves to return ink attaching to the ink fountain roller into the ink fountain.

REFERENCES:
patent: 1953105 (1934-04-01), Flinker
patent: 2920558 (1960-01-01), Hewlett
patent: 5603263 (1997-02-01), Dufour et al.
patent: 5809887 (1998-09-01), Blackwell et al.
patent: 6772684 (2004-08-01), Kanayama
patent: 6782819 (2004-08-01), Oumiya et al.
patent: 646066 (1950-11-01), None
patent: 924401 (1963-04-01), None
patent: 2079220 (1982-01-01), None
patent: 02-15352 (1990-01-01), None
patent: 08020154 (1996-01-01), None

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