Printhead assembly having printhead recessed in channel body
View Patent ↗The present invention relates to a printhead assembly. The printhead assembly comprises an ink supply module for supplying at least one ink. There is also provided a body defining at least one ink channel. In use, the body interfaces with the ink supply module so that a respective ink is supplied from the ink supply module to a corresponding channel. The printhead assembly also comprises a printhead which, in turn, comprises at least one set of ink inlets. In use, the printhead interfaces with the body so that a respective ink is supplied from a respective channel to a corresponding set of ink inlets. A printing device comprising the printhead assembly is also provided.
1. An inkjet printhead assembly comprising:
a body having:
a first side having a first channel connected to a first ink supply;
a second side opposed to the first side, said second side having a second channel connected to a second ink supply;
a recess separately defined in the second side;
a plurality of passages defined through the body from the second channel in the second side to the first side; and
a plurality of ink feed openings defined through the body from the first side to the recess in the second side, a first group of the ink feed openings being individually connected to the first channel, and a second group of the ink feed openings being
individually connected to the second channel via the passages; and
a printhead having first and second groups of ink inlets connected to ink ejection nozzles, the printhead being received in the recess so that the first and second groups of ink inlets respectively interface with the first and second third groups of ink feed openings.
2. A printhead assembly according to claim 1 , wherein the body is elongate, the first and second channels and the ink feed openings being arranged along the length of the body.
3. A printhead assembly according to claim 2 , wherein the first and second groups of ink feed openings are arranged in a row.
4. A printing device comprising the printhead assembly of claim 1 .