Patent ID: 6526884
Filing Date: 2003-03-04
Classification: B41F

Abstract:
A detachable inking device for a flexographic printing machine comprising:a chambered doctor blade; and a support assembly for detachably supporting the chambered doctor blade, the support assembly being movable to bring the chambered doctor blade into and out of engagement with a screen roll on the printing machine; the chambered doctor blade being comprised of: a light-weight body having first and second ends, the body being elongated in the direction of a rotational axis of the screen roll; an end piece detachably secured at each end of the body; upper and lower lip portions projecting outwardly from the body, and extending the length of the body, each lip portion having a planar end face; and first and second doctor blade elements adhesively attached respectively to the end faces of the upper and lower lip portions, whereby the body, the end pieces and the doctor blade elements form an inking chamber for the screen roll, said support assembly being comprised of:first and second mounting arms supported on a shaft that is mounted on the frame of the printing machine, the shaft being pivotable to move the chambered doctor blade into and out of engagement with the screen roll; and first and second disconnect mechanisms located respectively on each of the mounting arms, and which are manually operable without assistance of a tool to release the chambered doctor blade from the support assembly.