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Inkjet printer head and inkjet printer

An inkjet print head and inkjet printer technology, applied in printing, inking devices, etc., can solve the problems of inkjet failure and image quality deterioration, and achieve the effect of preventing deformation and strengthening rigidity

Inactive Publication Date: 2007-07-11
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Air or air bubbles contained in the ink may cause the ink to fail to eject and the quality of the printed image to deteriorate

Method used

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  • Inkjet printer head and inkjet printer
  • Inkjet printer head and inkjet printer
  • Inkjet printer head and inkjet printer

Examples

Experimental program
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Embodiment Construction

[0045] Preferred embodiments of the present invention are described below with reference to the accompanying drawings. Figure 1 is a top plan view of an inkjet printer 100 constructed in accordance with one embodiment of the present invention. The inkjet printer 100 comprises: a housing 1; a recording part 2 included in the housing 1; a recording head or a print head 3 included in the recording part 2, and the recording head or the print head 3 can be operated to eject ink droplets to a printing medium paper P to record or print an image on the paper P; a maintenance unit 4 that can be operated to maintain the print head 3; and four ink tanks 5 that respectively store inks of different colors to be supplied to the print head 3 , and the four ink containers 5 are detachably fixed to the housing 1 .

[0046] In order to perform a full-color image printing operation, the four ink tanks 5a, 5b, 5c, 5d store black ink (BK), cyan ink (C), yellow ink (Y) and magenta ink (M), respect...

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PUM

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Abstract

An inkjet printer head including: (a) a front head unit having (a-i) an outside surface which is to be opposed to a print media, (a-ii) an inside surface opposite to the outside surface, (a-iii) a plurality of nozzles opening in the outside surface and arranged in row, and (a-iv) an ink inlet opening in the inside surface; (b) an ink-channel defining unit supplying an ink into the front head unit through the ink inlet; (c) a head holder holding the front head unit; and (d) a reinforcement member fixed to the inside surface of the front head unit. The front head unit and the head holder are fixed to each other, with the reinforcement member being interposed therebetween. The ink-channel defining unit is fixed to one of opposite side surfaces of the reinforcement member that is remote from the front head unit. Also disclosed is an inkjet printer including the above-described inkjet printer head, a carriage, a heat dissipater and a bubble discharger, wherein the heat dissipater, bubble discharger and front head unit are mounted on the carriage, and are arranged in a direction of movement of the carriage.

Description

[0001] The present invention is based on Japanese Patent Application No.2003-405972 and No.2003-405973 filed on December 4, 2003 and Japanese Patent Application No.2003-424453 filed on December 22, 2003, the contents of which are incorporated herein Reference. technical field [0002] The present invention relates to an inkjet printhead provided with a head unit and an ink passage defining unit connected to each other, and to an inkjet printer equipped with such an inkjet printhead. Background technique [0003] There is known an inkjet printer that performs a printing operation by ejecting ink droplets to a printing medium (such as paper) through nozzles in accordance with an input signal. Conventionally, such printers include a head unit including a nozzle-formed member, and the nozzle-formed member provides an outer surface of the head unit, which is opposed to a printing medium. For example, U.S. Patent No. 5,748,214 (corresponding to JP-A-H08-276586) discloses an inkje...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/14B41J2/01B41J2/175
CPCB41J2202/14B41J2/17513
Inventor 中村宙健清水诚至
Owner BROTHER KOGYO KK
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