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Liquid ejecting head and liquid ejecting device

A liquid ejecting head and liquid technology, which is applied in the directions of inking device and printing, etc., can solve the problems of the enlargement of the liquid ejection head and the enlargement of the line head, etc.

Pending Publication Date: 2021-12-07
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] When the area of ​​the region where the head chip is not arranged on the ejection surface of the liquid ejection head increases, the size of the liquid ejection head will increase.
In addition, when a line head is formed by arranging such a plurality of liquid ejecting heads, the problem of increasing the size of the line head will occur.

Method used

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  • Liquid ejecting head and liquid ejecting device
  • Liquid ejecting head and liquid ejecting device
  • Liquid ejecting head and liquid ejecting device

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Embodiment Construction

[0029] Hereinafter, modes for implementing the present invention will be described with reference to the drawings. However, in each drawing, the size and scale of each part are suitably different from the actual ones. In addition, since the embodiments described below are preferred specific examples of the present invention, various technically preferable limitations are added thereto, unless there is any description intended to limit the present invention in the following description. , the scope of the present invention is not limited to these modes.

[0030] In the following description, three directions intersecting each other will be described as the X-axis direction, the Y-axis direction, and the Z-axis direction. The X-axis direction includes an X1 direction and an X2 direction which are directions opposite to each other. The X-axis direction is an example of the third direction. The Y-axis direction includes a Y1 direction and a Y2 direction which are directions opp...

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Abstract

The invention discloses a liquid ejecting head and a liquid ejecting device which realize miniaturization of the liquid ejecting head. The liquid ejecting head (10) includes a plurality of head chips (20) that are elongated in a first direction (V), and has an ejecting surface (30) that ejects liquid, in the liquid ejecting head (10), on the inside of a virtual parallelogram (120) which is provided with a first virtual side (121) and a second virtual side (122) which are in contact with at least one of the plurality of head chips (20) along a first direction (V), and a third virtual side (123) and a fourth virtual side (124) which are in contact with at least one of the plurality of head chips (20) along a second direction (U) intersecting the first direction (V), a plurality of head chips (20) are arranged side by side, and when the ejection surface (30) is viewed from the normal direction (Z) of the ejection surface (30), the ejection surface (30) does not overlap the acute angle portion (131) of the virtual parallelogram (120).

Description

technical field [0001] The present invention relates to a liquid ejection head and a liquid ejection device. Background technique [0002] Conventionally, a liquid ejecting device having a liquid ejecting head ejecting liquid such as ink, as represented by an ink jet printer, is known. For example, Patent Document 1 discloses a plurality of head chips having nozzle rows arranged obliquely with respect to the conveyance direction of a medium such as printing paper. Such a liquid ejection head having a plurality of head chips is arranged along the width direction of the medium to constitute a line head. [0003] When the area of ​​the region where the head chip is not disposed on the ejection surface of the liquid ejection head increases, the size of the liquid ejection head increases. In addition, when a line head is formed by arranging such a plurality of liquid ejection heads, there is a problem of increasing the size of the line head. [0004] Patent Document 1: Japanes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41J2/14
CPCB41J2/01B41J2/14B41J2202/20B41J2202/11B41J2202/19B41J2/155B41J2/14233B41J2/1433B41J2/175B41J2002/14362
Inventor 奥井宏明渡边英一郎胜家隼
Owner SEIKO EPSON CORP
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