Patent ID: 11951740
Assignee: SEIKO EPSON CORPORATION
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 17:
18. A liquid ejecting head comprising:
a pressure chamber substrate in which a first pressure chamber and a second pressure chamber adjacent to the first pressure chamber in a first direction are provided;
a communication plate in which are provided
a first communication channel communicating with the first pressure chamber and the second pressure chamber and
a first common liquid chamber communicating with the first pressure chamber and the second pressure chamber at positions different from positions at which the first communication channel communicates with the first pressure chamber and the second pressure chamber; and
a nozzle substrate in which a first nozzle communicating with the first pressure chamber and the second pressure chamber in common via the first communication channel is provided, wherein
a second communication channel communicating with the first common liquid chamber and communicating with the first pressure chamber and the second pressure chamber in common is provided in the pressure chamber substrate or the communication plate, and
a third pressure chamber disposed at a position different from a position of the first pressure chamber in a second direction intersecting the first direction is provided in the pressure chamber substrate,
a fourth pressure chamber disposed at a position different from a position of the second pressure chamber in the second direction and adjacent to the third pressure chamber in the first direction is provided in the pressure chamber substrate,
a second common liquid chamber disposed at a position different from a position of the first common liquid chamber in the second direction and communicating with the third pressure chamber and the fourth pressure chamber is further provided in the communication plate, and
the first nozzle communicates with, in addition to the first pressure chamber and the second pressure chamber, the third pressure chamber and the fourth pressure chamber in common.