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Ink jet recording equipment and ink box

A recording device and inkjet recording technology, applied in the field of identifying ink cartridges, can solve problems such as the limited number of types of concave parts

Inactive Publication Date: 2007-01-31
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] If the weight of the ink cartridge, that is, the capacity of the ink cartridge is reduced, high-speed printing becomes possible, but there is a problem that the number of types of recessed portions that are allowed to be formed on the narrow bottom of the ink cartridge is limited.

Method used

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  • Ink jet recording equipment and ink box
  • Ink jet recording equipment and ink box
  • Ink jet recording equipment and ink box

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Embodiment Construction

[0050] The invention will be described below on the basis of different examples shown in the accompanying drawings.

[0051] Figure 1A and 1B An ink cartridge 1 according to one example of the present invention is shown. 2A and 2B show the front and rear structures of the tank body 8 constituting the ink cartridge 1. As shown in FIG. image 3 Is a bottom view showing the structure of the tank body 8. The tank body 8 is divided into upper and lower regions by a substantially horizontally extending wall 2 (FIG. 2B). The first ink chamber 3 is formed in the lower area. A differential pressure valve storage chamber 4 (FIG. 2A) serving as a negative pressure generating mechanism, a filter chamber 5 for storing a filter, and second and third ink chambers 15 and 16, which will be described later, are formed in the upper region.

[0052] The wall 6 separates the differential pressure valve storage chamber 4 and the filter chamber 5 from each other in the thickness direction of the ...

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PUM

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Abstract

An ink jet recording equipment and ink box. A recessed portion is formed in an ink cartridge 1 to define a three-dimensional space. Each of axes in the three-dimensional space containing one side surface of the ink cartridge in which an ink supply port 14 is formed is divided into a plurality of sections to obtain a plurality of coordinate points. Identification protruded portions 31-1 to 31-3 which serve as identification pieces are disposed selectively at the coordinate points in accordance with identification items.

Description

technical field [0001] The present invention relates to a technique for identifying an ink cartridge that supplies ink at an appropriate negative pressure to a recording head that ejects ink droplets in response to a printing signal. Background technique [0002] An inkjet recording apparatus is generally constructed such that an inkjet recording head that ejects ink droplets in response to a printing signal is mounted on a carriage that reciprocates in the width direction of a recording sheet, and ink is supplied from an external ink container. to the record header. In the recording head of the small size type, an ink storage container such as an ink tank or the like is detachably mounted on the carriage. On the other hand, in the recording head of the large-size type, the ink storage container is provided on the frame or casing of the recording device, and is connected to the recording head through an ink supply tube. [0003] Carriage mounted ink tanks are generally con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/175
CPCB41J2/17503B41J2/17513B41J2/1752B41J2/17523B41J2/17526B41J2/1755B41J2/17553B41J2/17563B41J2/17596
Inventor 宫泽久品田聪坂井康人
Owner SEIKO EPSON CORP