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US 6,234,078 B1Granted
Ink roller assembly having a plurality of sections each having a porous sleeve
AssigneeMonarch Marking Systems, Inc.
InventorJohn R. Kessler
Life of this patent
Estimating the term…
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AssigneeMonarch Marking Systems, Inc.
InventorJohn R. Kessler
Estimating the term…
Various embodiments of an ink roller assembly include a capillary ink metering unit and a surrounding porous ink retaining sleeve, wherein the unit is comprised of a pair of capillary sections connected to each other and wherein capillary sections include a hollow shaft and discs with intervening ink capillary chambers interconnected by passages. In another embodiment, a capillary ink metering unit includes discs on a solid shaft, wherein there are passages interconnecting capillary chambers. In yet other embodiments, separate sections are provided to enable inks of different colors, viscosities and/or types to be applied to printing members. There is also provision to meter ink to printing members having different faces or areas in accordance with or as function of the sizes of those areas. The ink roller assembly with separate sections can carry both visible ink and visually alterable ink for coding purposes.
An ink roller assembly, comprising:
For an ink roller assembly, a first section comprised of molded plastics material, the first section having a first axial shaft and a series of first discs on the first shaft, the first discs being closely spaced to provide first capillary chambers, a second section comprised of molded plastics material, the second section having a second axial shaft and a series of second discs on the second shaft, the second discs being closely spaced to provide second capillary chambers, wherein the first section is longer than the second section, and wherein the first and second sections are axially arranged and are connected to each other.
An ink roller assembly, comprising:
Dependencies are inferred from the claim text.