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Toner cartridge

A toner box and toner technology, applied in the field of toner boxes, can solve the problems of insufficient torsional strength, large rotation distortion of the inner container, and increased rotation operation load, so as to ensure operability and prevent rotation The effect of increasing the load and suppressing the deterioration of the torsional strength

Inactive Publication Date: 2007-10-31
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This outer container is provided with a substantially square portion on a part thereof, thereby increasing the toner containing capacity, but similar to the structure disclosed in Japanese Patent Application Laid-Open No. 2002-181224, the torsional strength at the time of rotation is also Insufficient
Especially in the structure in which the other end of the rotational operation portion (handle) has the toner supply port, the rotational twist of the inner container becomes very large due to the resistance of the seal against the supply port, so there is an increase in the rotational operation load. big problem

Method used

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Examples

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Embodiment Construction

[0037] First, an outline of the imaging device 10 according to the present invention will be described.

[0038]

[0039] 1 and 2 show the basic structure of the image forming apparatus of the present invention.

[0040] 1 and 2 show an example of a drum-type four-color image forming apparatus according to the present invention.

[0041] As shown in FIGS. 1 and 2, the imaging device 10 has: a main body frame 12 in which image carriers (photoreceptors) 20 (20K, 20C, 20M, 20Y) and developing units 16 (16K , 16C, 16M, 16Y); and the cover 14 for opening and closing the image carrier 20 and the developing unit 16. A supply unit 18 having a supply belt 14 capable of supplying the recording sheet P adsorbed thereon is detachably mounted on the cover body 14 .

[0042] Each developing unit 16 includes: charging rollers 22 (22K, 22C, 22M, 22Y) for uniformly charging the surface of the roll-shaped image carrier 20; and an optical box 24 for irradiating with image light based on imag...

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Abstract

A toner cartridge can be attached to and detached from an apparatus main body. The toner cartridge includes an outer housing having a substantially rectangular upper cross section and a substantially semi-circular lower cross section, and an inner housing that is disposed inside of a lower portion of the outer housing and that has a cylindrical shape with an opening formed at its side surface, the inner housing being rotatably supported in the lower portion of the outer housing, and at the opening a bridging portion being formed along a longitudinal direction of the inner housing.

Description

technical field [0001] The present invention relates to a toner cartridge, and more particularly, to an image forming apparatus employing a charging method in which discharge is used as a principle. Background technique [0002] In general, in order to simplify the device structure and avoid toner contamination of the toner cartridge mounting portion, the toner cartridge described below has been widely used. [0003] That is, the toner cartridge includes two accommodating containers, a cylindrical inner accommodating container and an outer accommodating container rotatably holding the inner accommodating container. In a state where the two accommodating containers are inserted and fixed to the apparatus, the inner accommodating container is rotatably operated so that the toner supply port can be opened and closed. [0004] However, in the cartridge having the above structure, it is necessary to increase the diameter of the cylindrical portion to increase the maximum toner a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/08
CPCG03G15/0837G03G15/0879G03G15/0872
Inventor 松本卓士小泉弘光中岛千春
Owner FUJIFILM BUSINESS INNOVATION CORP
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