Ink feeding device for a printing press
AssigneeRockwell International Corporation
InventorYuji Ijichi
Life of this patent
Estimating the term…
Abstract
An ink feeding device (12) for a printing press (10) having an ink pan (40) having a cavity (42) to receive and retain ink, a rotatable fountain roller (14) mounted in the cavity (42) of the pan (40), a device (28) for rotating the fountain roller (14), a rotatable metering roller (16) positioned to receive ink from the fountain roller (14), a device (30) for rotating the metering roller (16), a doctor blade (50) for removing residual ink from the metering roller (16), a rotatable impeller (44) mounted on one side of the fountain roller (14) in the cavity (42) of the pan (40) generally below the doctor blade (50) and having a plurality of blades (46) to direct ink returned by the doctor blade (50) towards the fountain roller (14), and a device (48) for rotating the impeller (44).
Claims3
An ink feeding device for a printing press, comprising:
- an ink pan having a cavity to receive and retain ink;
- a rotatable fountain roller mounted in the cavity of the pan;
- means for rotating the fountain roller;
- a rotatable metering roller positioned to receive ink from the fountain roller;
- means for rotating the metering roller;
- a doctor blade for removing residual ink from the metering roller;
- a rotatable impeller mounted on one side of the fountain roller in the cavity of the pan generally below the doctor blade and having a plurality of blades to direct ink returned by the doctor blade towards the fountain roller, said impeller being only partially submerged in the ink in the cavity of said pan;
- and means for rotating the impeller.
Dependencies are inferred from the claim text.