Patent ID: 6357855
Filing Date: 2002-03-19
Classification: B29C,B33Y

Abstract:
A printhead assembly for a three-dimensional printer comprising:a non-linear printhead having a width and a length and a plurality of jets in a multi-jet grouping, said non-linear printhead length having a lengthwise axis, a dispensing carriage having a width and a length, said dispensing carriage length having a lengthwise axis, said printhead having at least one of its jets in the multi-jet grouping positioned off line in a non-linear fashion and being connected with said dispensing carriage such that the lengthwise axis of said non-linear printhead and the lengthwise axis of said dispensing carriage intersect when positioned in the same plane, and the printhead containing rows and columns of jets and the jets in at least one row comprising at least one group of four jets, three of the four jets in the group being linearly aligned and the fourth jet in the group not being linearly aligned, the fourth jet having an offset angle of between eight and ten degrees.