Patent ID: 9126410
Filing Date: 2015-09-08
Classification: B41J

Abstract:
1. A liquid ejecting head unit comprising: a plurality of liquid ejecting heads including a liquid ejecting surface in which nozzle openings that eject a liquid are provided; a protective plate that protects the liquid ejecting surface of each liquid ejecting head; a cover that covers between the liquid ejecting surfaces of each liquid ejecting head, wherein the cover has a conducting portion that electrically conducts with the protective plate of the liquid ejecting head; a holding member to which the plurality of liquid ejecting heads is fixed, wherein the plurality of liquid ejecting heads are grounded to the cover via the holding member; an elastic sealing member that seals between the protective plate and the cover; and a fixing member that fixes the cover and the holding member to be able to conduct with each other; wherein the cover includes and outside member, a first groove forming member, and a second groove forming member between the outside member and the first groove forming member, wherein a head opening by which the liquid ejecting surface of the liquid ejecting head is exposed is provided in the outside member, the first groove forming member and the second groove forming member, wherein the outside member conducts with the first groove forming member, wherein the fixing member fixes the first groove forming member and the holding member to be able to conduct with each other, and wherein the elastic sealing member is arranged at the groove portion in which the inner surface of the head opening is provided, and is interposed between the outside member and the first groove forming member.