Patent ID: 8454128

Claim:
A printhead comprising: a printhead module including a plurality of nozzles adapted for emitting liquid from the printhead module; a printhead frame; and an alignment assembly to align the printhead module and the printhead frame relative to each other, the alignment assembly including: a base plate comprising a surface; a locator plate including a plurality of through holes positioned relative to each other on a surface of the locator plate, the locator plate being affixed with the base plate such that a plurality of pockets are formed, each pocket having a wall corresponding to a wall of one of the through holes, and each pocket having a base corresponding to a surface of the base plate; a first set of locating elements, each of the locating elements of the first set being positioned with an interference fit in a respective one of the pockets, the walls of the pockets defining positions of the locating elements of the first set relative to one another in a plane of the surface of the locator plate, and the bases of the pockets defining positions of the locating elements of the first set relative to one another in a direction normal to the surface of the base plate; and a coupling member including a second set of locating elements, each of the locating elements of the second set adapted for contact with one the locating elements of the first set.