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Liquid ejection device

A spraying device and a technology of a liquid spraying head, which is applied in printing and other directions, and can solve problems such as image quality reduction and bending shape changes

Inactive Publication Date: 2012-07-25
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, in the method of Patent Document 1, in the range from the position held by the holding member to the position fixed by the carriage, the respective liquid supply pipes are separated in disorder along with the movement of the carriage. bend shape changes
Therefore, there is a problem that vibrations are generated accompanying changes in the bending shape of each liquid supply tube, which affects the movement control of the carriage, and thus degrades the quality of images formed by ejecting ink from the liquid ejection head.

Method used

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Examples

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no. 1 approach

[0061] figure 1 It is a perspective view showing the inkjet recording device 1 as a liquid ejecting device. exist figure 1 In , the inkjet recording apparatus 1 is shown in a state where a tank unit 3 serving as a liquid tank is attached to the recording apparatus main body 2 . in addition, figure 2 It is a perspective view showing a tube opening 15 a for introducing an ink tube 52 as a liquid supply tube from the tank unit 3 to the recording device main body 2 in the inkjet recording device 1 .

[0062] exist figure 2 In the figure, the inkjet recording apparatus 1 in the state which separated the tank unit 3 from the recording apparatus main body 2 is shown. image 3 It is a perspective view showing the internal structure of the inkjet recording device 1 . Here, with Figure 1 to Figure 3 The direction inside / in front of is taken as the direction of the X-axis, and the direction perpendicular to the direction of the X-axis Figure 1 to Figure 3 The left-right direct...

no. 2 approach

[0153] In the tube fixing part 112 of the first embodiment, both ends of the restricting member 118 are fixed with screws, but in the second embodiment, one end of the restricting member is fixed with a screw using an engaging part provided on the tube guide. An embodiment in which the other end of the restricting member is fixed will be described.

[0154] Figure 20(a) is a perspective view of the restriction member 118a. A through-hole 1183 is provided at one end in the longitudinal direction (X-axis direction) of the restricting member 118a. In addition, a pair of pressing portions 1182 protruding downward in the vertical direction of the restricting member 118a and extending in the longitudinal direction are formed. In addition, a pair of protrusions 1180 protruding downward in the vertical direction are provided at one end in the longitudinal direction of the restricting member 118a.

[0155] Figure 20 (b) is a partial perspective view of the fixed restriction membe...

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Abstract

The invention provides a liquid ejection device, which comprises a flexible liquid supply pipe used for providing ink in a liquid tank to a liquid ejecting head; a carriage for supporting the liquid ejecting head and configured to move freely back and forth; a pipe guiding member extending in the extension direction of the liquid supply pipe and provided with screw hole bases at the two ends in the width direction thereof for guiding the liquid supply pipe; a limiting member provided with through holes corresponding to the screw holes and pair of protrusion parts for clamping the base and limiting the reciprocating motion of the carriage; and a pair of screws used for fixing the limiting member onto the base.

Description

technical field [0001] The present invention relates to liquid ejection devices. Background technique [0002] A liquid ejecting device that ejects ink onto a recording medium such as paper to form an image while reciprocating a carriage on which a liquid ejecting head is mounted has an ink tank arranged outside the carriage, and a device for supplying ink from the ink tank to the liquid ejecting head. Liquid supply tube for ink. [0003] Such a liquid ejecting device is provided with a liquid supply pipe that bends and deforms as the carriage reciprocates. [0004] For example, Patent Document 1 discloses an inkjet recording apparatus that includes a holding member that holds a plurality of liquid supply tubes and prevents loosening of the liquid supply tubes due to movement of the carriage so as not to affect the movement of the carriage. [0005] [Patent Document 1] Japanese Unexamined Patent Publication No. 2007-144905. [0006] However, in the method of Patent Docume...

Claims

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Application Information

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IPC IPC(8): B41J2/175
Inventor 吉野哲史足立裕尚金丸真二渡边康弘宫坂弥生安藤香织
Owner SEIKO EPSON CORP
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