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Processing cartridge

A processing box and box body technology, which is applied in the field of processing boxes, can solve problems such as unfavorable processing box stable operation, and achieve the effect of ensuring smoothness and reducing frictional resistance

Active Publication Date: 2016-05-11
PRINT RITE UNICORN IMAGE PROD CO LTD OF ZHUHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the whole working process, the connection between the power socket and the drive shaft of the main engine needs to be supported by the pressing contact between the propulsion surface and the table surface of the support table. When the support table rotates relative to the propulsion surface, frictional resistance is generated, namely The propulsion surface and the table surface of the support table are always in a state of extruded dry friction, which is not conducive to the stable operation of the processing box

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0042] see figure 1 , The process cartridge has a box body 1, a photosensitive drum 2 rotatably supported between the two end walls of the box body 1, and a disengagement device 3 installed on the end cover 11 of the box body 1.

[0043] see figure 2 , The photosensitive drum 2 has a drum 21 and a rotational force transmission assembly 22 mounted on one axial end of the drum 21. The drum 21 is composed of an aluminum tube and a layer of photosensitive material wrapped outside the aluminum tube.

[0044] see image 3 , The rotational force transmission assembly 22 is composed of a rotational force transmission member 221 , an axial limiter 222 , a torsion spring 223 and a drum gear 224 . The drum gear 224 is provided with an accommodating chamber 2240 opened at one axial end thereof, and a guide hole 2242 communicating with the accommodating chamber 2240 is formed at the other axial end.

[0045] see Figure 4 The rotational force transmitting member 221 is composed of a c...

no. 2 example

[0061] As an explanation of the second embodiment of the present invention, only the differences from the first embodiment will be described below.

[0062] see Figure 16 An outer shoulder 4210 protrudes from the outer wall of the guide rod 4211 of the rotational force receiving member 421 near the end of the rotational force receiving portion 4212 , and the surface of the outer shoulder 4210 constitutes the force-receiving portion of this embodiment.

no. 3 example

[0064] As an explanation of the third embodiment of the present invention, only the differences from the first embodiment will be described below.

[0065] see Figure 17 An arc-shaped guide groove 4140 is formed on one long side of the protrusion 414 on the push rod 41, and the two side walls of the guide groove 4140 constitute the guide surface of this embodiment.

[0066] see Figure 18 A columnar slider 4201 matching the guide groove 4140 protrudes from the position corresponding to the guide groove 4140 of the receiving arm 420 of the lever 42 .

[0067] Through the sliding of the columnar slider 4201 along the guide groove 4140 , the rotation of the lever 42 around the axis of the rotation support shaft 44 is realized.

[0068] The columnar slider 4201 constitutes the guided portion of this embodiment.

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PUM

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Abstract

The invention belongs to the technical field of laser printing and relates to a processing cartridge. The processing cartridge comprises a cartridge body, a photosensitive drum and a release device. The photosensitive drum comprises a rotating force transmission component which comprises a rotating force transmission part, the rotating force transmission part comprises a guide rod and a rotating force receiving portion, and one end, close to the rotating force receiving portion, of the guide rod is provided with a stress portion. The release device is arranged at one end, close to the rotating force receiving portion, of the cartridge body and comprises a push rod, a reset rod and a lever. One end, away from a rotating support shaft, of an action arm of the lever is provided with a force application portion for applying a force to the stress portion. A guided portion on a receiving arm of the lever slides along a guide surface on the push rod to drive the lever to rotate along the axis of the rotating support shaft to control connection and disconnection between the rotating force receiving portion and a mainframe driving shaft. Due to the release device, smoothness in connection and disconnection when the processing cartridge is mounted on and demounted from a mainframe is improved, and friction resistance is effectively reduced.

Description

technical field [0001] The present invention relates to a process cartridge for supplying toner to a laser printer. Background technique [0002] A laser printer is a device that uses the principle of electrophotography to form an image on a printing medium such as paper. It is usually composed of a host and a process box detachably installed on the host; wherein the process box has a box body to form an electrostatic latent image. A photosensitive drum and a developing roller for supplying developer to the photosensitive drum to develop the electrostatic latent image, the photosensitive drum and the developing roller are rotatably supported between two end walls of the box body. The photosensitive drum has a drum and a rotating force transmission assembly installed on one axial end of the drum. The drum is usually composed of an aluminum tube and a layer of photosensitive material wrapped outside the aluminum tube. When the process box is installed on the main machine, the...

Claims

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Application Information

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IPC IPC(8): G03G21/18
CPCG03G21/181G03G21/1814G03G21/1828
Inventor 杨晓锋王其乐
Owner PRINT RITE UNICORN IMAGE PROD CO LTD OF ZHUHAI