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Decision of opening and closing of opening section of apparatus

A technology in openings and devices, which is applied in the field of opening and closing judgment of openings, and can solve problems such as wrong opening and closing states of openings

Active Publication Date: 2010-03-03
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, since the opening / closing sensor determines that the opening is closed even if the sensor lever is displaced due to interference with objects other than the cover, there is a possibility of erroneously determining the opening / closing state of the opening.
In this way, the existing judging device for judging the opening and closing of the opening needs to be improved urgently in judging accuracy.
[0005] In addition, this problem is not limited to the opening and closing determination of the opening for attaching and detaching the ink cartridge that the inkjet printer has, and is also a common problem when performing the opening and closing determination of the opening that the device has.

Method used

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  • Decision of opening and closing of opening section of apparatus
  • Decision of opening and closing of opening section of apparatus
  • Decision of opening and closing of opening section of apparatus

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0034] figure 1 is an explanatory diagram showing a schematic configuration of the printer 10 in the first embodiment of the present invention. The printer 10 is an inkjet printer that ejects liquid ink onto printing paper P as a recording medium to record characters or graphics. In addition, the printer 10 is a so-called multi-function printer and has a scanner function for optically reading images.

[0035] Such as figure 1 As shown, the printer 10 has a main body housing 20 that accommodates the printing mechanism unit 50 . The main body housing 20 is provided with: a paper feed tray 12 that guides the printing paper P supplied to the printing mechanism unit 50 into the main body housing 20 ; and a paper discharge tray 14 that discharges the printing paper P from the printing mechanism unit 50 . The printing paper P is led out to the outside of the main body casing 20 . The detailed configuration of the printing mechanism unit 50 will be described later.

[0036] A con...

no. 2 example

[0050] Figure 6 is an explanatory diagram showing the relationship between the bracket 60a and the sensor unit 400 in the second embodiment. Figure 6 It is a figure which looked at the bracket 60a and the sensor unit 400 from the side. In the second embodiment, with Figure 5 The same as the first embodiment shown, the transmission part 800 is interposed between the bracket 60 a and the sensor unit 400 . However, in the second embodiment, the relationship between the bracket 60a and the transmission part 800 is the same as Figure 5 The first embodiment shown is different. Other configurations of the printer 10 of the second embodiment are the same as those of the first embodiment.

[0051] Such as Figure 6 As shown, in the second embodiment, the bracket 60a has a rod-shaped connecting portion 63 extending obliquely downward from the bracket 60a. The connection part 63 has an oblong hole 64 , and the wheel part 810 of the transmission part 800 is fitted in the hole 64...

no. 3 example

[0054] Figure 7 is an explanatory diagram showing the schematic structure of the sensor unit 400b in the third embodiment. In the third embodiment, the sensor unit 400b has a rotation detection unit (rotation detection unit) 430 instead of the straight line detection unit 420, which is different from the sensor unit 400 ( image 3 )different. The other structures of the printer 10 of the third embodiment are the same as those of the first embodiment.

[0055] The rotation detection element 430 is rotatable according to the rotational movement of the upper housing 30 (that is, the opening and closing operation of the opening 22 of the main body housing 20) (refer to Figure 7 arrow) is combined with the upper frame body 30 via a connecting rod, for example. Furthermore, the rotation detection element 430 has a plurality of slits (not shown) arranged at predetermined intervals along the circumferential direction. Like the first embodiment, the sensor 410 detects the rotatio...

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PUM

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Abstract

An apparatus includes: an opening and closing mechanism that opens or closes an opening section of the apparatus; a first movable body that is moved in accordance with the operation of opening and closing the opening section by the opening and closing mechanism; a movement detector that detects the movement amount of the first movable body; a controller that determines whether or not the opening section is closed, on the basis of the detected movement amount; a second movable body disposed in the apparatus and movable; and a movement transmitting mechanism which moves the first movable body inaccordance with the movement of the second movable body in a state in which the opening section is closed, and does not move the first movable body in accordance with the movement of the second movable body in a state in which the opening section is opened.

Description

technical field [0001] The present invention relates to a technique for determining the opening and closing of an opening of a device. Background technique [0002] An inkjet printer has, for example, an opening for attaching and detaching an ink cartridge, and a cover that opens or closes the opening. Generally, inkjet printers have a judging device for judging whether or not the opening is closed (opening / closing judging of the opening) in order to avoid performing a printing operation with the opening opened. As a determination device for determining the opening and closing of the opening, for example, an opening and closing sensor having a sensor lever and a detection section for detecting the displacement of the sensor lever is used. When the opening is closed by the cover, the sensor lever interferes with the cover and is displaced ( For example, Patent Document 1). [0003] [Patent Document 1] Japanese Patent Laid-Open No. 2006-264160 [0004] In the case of using ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J29/13B41J2/175G03G15/08G03G15/00
CPCB41J29/13
Inventor 信田耕作花村修柴崎佳秋
Owner SEIKO EPSON CORP