JP2017105202A5 - - Google Patents

Claims (9)

In a liquid jet head including a nozzle plate having a first nozzle row and a second nozzle row composed of a plurality of nozzles,
A piezoelectric plate having a plurality of first ejection grooves communicating with the plurality of nozzles of the first nozzle row and a plurality of second ejection grooves communicating with the plurality of nozzles of the second nozzle row;
The first discharge groove and the second discharge groove are separated by a partition located between the first discharge groove and the second discharge groove ,
A plurality of first non-ejection grooves formed alternately with the first ejection grooves in the arrangement direction of the first nozzle row, and a plurality formed alternately with the second ejection grooves in the arrangement direction of the second nozzle row. And a second non-ejection groove
The supply path of the first discharge groove and the second discharge groove is shared ,
A liquid jet head,
A first supply ink chamber that communicates with the first ejection groove, supplies liquid to the first ejection groove, a first discharge ink chamber that ejects liquid from the first ejection groove, and communicates with the second ejection groove. A cover plate having a second supply ink chamber for supplying liquid to the two discharge grooves and a second discharge ink chamber for discharging liquid from the second discharge groove;
A liquid ejecting head comprising: a flow path member attached to the cover plate, which internally shares a supply path to the first supply ink chamber and the second supply ink chamber . 2. The liquid jet head according to claim 1, wherein an arrangement direction of the first nozzle row and the second nozzle row is orthogonal to a longitudinal direction of the first discharge groove and the second discharge groove. 2. The liquid according to claim 1, wherein longitudinal directions of the first discharge groove and the second discharge groove are inclined by a predetermined angle with respect to an arrangement direction of the first nozzle row and the second nozzle row. Jet head. The first discharge groove and the second non-discharge groove, and the second discharge groove and the first non-discharge groove are adjacent to each other through the partition wall. The liquid jet head described. The first discharge groove, the second discharge groove, the first non-discharge groove, and the second non-discharge groove are adjacent to each other through the partition wall. The liquid jet head described. The plurality of nozzles is a staggered arrangement in which the nozzles of the first nozzle row are located between the nozzles of the second nozzle row in the nozzle arrangement direction. The liquid jet head described. The flow path member has a supply port for supplying liquid to the first supply ink chamber and the second supply ink chamber, and a discharge port for discharging liquid from the first discharge ink chamber and the second discharge ink chamber. The liquid jet head according to claim 1, wherein: The reinforcing plate has a reinforcing plate joined between the nozzle plate and the piezoelectric plate, and the reinforcing plate has a plurality of through holes that respectively communicate the plurality of nozzles with the first discharge groove and the second discharge groove. The liquid ejecting head according to claim 1, wherein the liquid ejecting head is a liquid ejecting head. A liquid ejecting apparatus comprising the liquid ejecting head according to claim 1.