US 10,293,608 B2 · Liquid ejection head and recording device

Abstract

A liquid ejection head in the present disclosure provided with a first channel member including a first surface, a plurality of ejection ports in the first surface, a plurality of pressurizing chambers which are individually communicated with the plurality of ejection ports, and a second surface on the opposite side to the first surface; a pressurizing member on the second surface; and a second channel member including a third surface, a fourth surface on the opposite side to the third surface, a raised part which protrudes from the fourth surface, and a first through hole in the raised part. The second channel member is provided on a region in the second surface of the first channel member, in which the pressurizing member is not arranged. When viewed on a plane, an outer circumference of the raised part is located on inner side from an outer circumference of the fourth surface.

Claims18

Dependent claims

A liquid ejection head comprising:

a first channel member comprising:
a first surface;
a plurality of ejection ports in the first surface;
a second surface opposite to the first surface,
comprising:
a first region;
and
a second region different from the first region;
and
a pressurizing chamber in the first region;
a pressurizing member on the pressurizing chamber;
and
a second channel member on the second region, comprising:
a third surface in contact with the second region;
a fourth surface:
being opposite to the third surface, and
having a first outer circumference;
a raised part:
protruding from the fourth surface;
and
comprising a second outer circumference that is inside of the first outer circumference in a plan view;
and
a first through hole in the raised part.

20 more elements

Dependencies are inferred from the claim text.

Liquid ejection head and recording device

Life of this patent

Liquid ejection head and recording device

Life of this patent

Abstract

Claims18