Patent ID: 8091990
Filing Date: 2012-01-10
Classification: B41J

Abstract:
1. A continuous liquid printhead comprising: a jetting module including an array of nozzles, the jetting module being operable to form liquid drops having a first size and liquid drops having a second size through each nozzle; and a gas flow device including a structure to deflect the liquid drops having the first size and the second size, the structure including a first wall and a second wall, the first wall and the second wall being positioned spaced apart and opposite each other to form an opening, the first wall being contoured such that a distance between the first wall and the second wall varies when viewed in a direction perpendicular to the opening, the contour of the first wall extending in a direction that is parallel to the nozzle array, and the contour of the first wall defining a first end portion, a second end portion, and a middle portion located between the first end portion and the second end portion, each of the first end portion, the second end portion, and the middle portion having an average distance between the first wall and the second wall of the structure, wherein the average distance between the first wall and the second wall of the structure in the first end portion and the second end portion is greater than the average distance between the first wall and the second wall of the structure in the middle portion.