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image forming device

A technology of image and stop position, which is applied in stacking receiving devices, electrical recording technology using charge graphics, equipment using electrical recording technology using charge graphics, etc., can solve problems such as damage to transmission parts, and achieve the effect of preventing damage

Active Publication Date: 2018-01-26
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, there is a risk of damage to the transmission if the transmission is rotated beyond the allowable range

Method used

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Examples

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Effect test

no. 1 approach

[0022] (image forming apparatus 10)

[0023] The following instructions figure 1 The schematic configuration of the image forming apparatus 10 (an example of the image forming apparatus of the present invention) according to the first embodiment of the present invention is shown. In addition, for convenience of description, the image forming apparatus 10 is set to a usable setting state ( figure 1 In the state shown), the vertical direction is defined as the up-down direction 8 . Additionally, setting the state under figure 1 The face shown is taken as the front face (front), defining the front-to-back direction 7 (vertical figure 1 direction on the paper). In addition, the left-right direction 9 is defined with reference to the front of the image forming apparatus 10 in the installation state.

[0024] The image forming apparatus 10 includes a control unit 2, a plurality of image forming units 4, an intermediate transfer belt 5, an optical scanning device 13, a second tr...

no. 2 approach

[0058] Next, a second embodiment of the present invention will be described. In the aforementioned first embodiment, the case where the transmission member 30 is constituted by two members, the first rotor 40 and the second rotor 50, has been described, but the present invention is not limited thereto. The rotational force of the first rotor 40 may not be directly transmitted to the light shielding plate 51, but indirectly transmitted by other components. For example, instead of the second rotor 50 , a first member 61 on which the cylindrical portion 52 and the contact portion 53 are formed, and a second member 62 on which the light shielding sheet 51 is formed are provided. This is particularly effective when there is insufficient space for disposing the detection unit 31 and the detection position 32 in the vicinity of the cover rotation unit 23 . In the second embodiment of the present invention, it is necessary to include a transmission mechanism 60 (an example of a trans...

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Abstract

The present invention provides an image forming apparatus capable of preventing damage to a transmission member for detecting a sheet loaded on a sheet tray even if the rotation exceeds an allowable range. In the image forming apparatus, a rotation shaft is disposed near a cover rotation portion of a sheet tray that is opened and closed. The image forming apparatus includes a transmission member and a connecting portion that rotate according to the load capacity of the sheet. The transmission member includes: a rotating shaft provided on the upper side of the sheet discharge port; a first rotor supported by the rotating shaft in a manner to be rotatable in a direction approaching or departing from the sheet carrying surface; The coaxial cylindrical portion rotatably supports the second rotor that can be detected by the detection portion. When the first rotor rotates in the direction away from the sheet bearing surface, the connecting part is connected with the second rotor, so that the second rotor rotates in the same direction, and when the second rotor reaches a specified position, only the first rotor can rotate .

Description

technical field [0001] The present invention relates to an image forming apparatus provided with an additional sheet tray that can be opened and closed relative to the upper surface of the apparatus main body. Background technique [0002] An image forming apparatus capable of continuous color printing on a plurality of sheets is known. Various equipment for image formation, such as a photoreceptor and a developing device, are installed inside the box-shaped apparatus main body of the said image forming apparatus. In addition, the image forming apparatus has a sheet tray that doubles as an upper cover that closes an opening on the upper surface of the apparatus main body. The sheet tray is rotatably supported about a support shaft extending in one direction, and is provided so as to be open with respect to the upper surface of the device main body so as to be switchable between a closed position and an open position. The support shaft is provided in the vicinity of the dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00
CPCB65H31/02B65H2301/4212B65H2402/45B65H2405/1117B65H2553/41B65H2601/321B65H2801/06G03G15/6552G03G21/1633G03G21/1647B65H43/06B65H2553/61
Inventor 小野智久
Owner KYOCERA DOCUMENT SOLUTIONS INC
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