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Fixing device with a shutter for an image forming apparatus

A technology of an imaging device and a shutter, which is applied in the fields of equipment for electrical recording technology applying charge patterns, electrical recording technology applying charge patterns, instruments, etc.

Inactive Publication Date: 2005-10-26
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

therefore the use of information alone is not sufficient to provide concrete warnings to workers

Method used

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  • Fixing device with a shutter for an image forming apparatus
  • Fixing device with a shutter for an image forming apparatus
  • Fixing device with a shutter for an image forming apparatus

Examples

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Embodiment Construction

[0022] In a broad sense, a fixing device that nips and conveys a recording medium by a fixing nip portion defined by a pair of rollers installed in a housing, and melts and fixes unfixed toner on the recording medium, which includes: A grip portion on and grippable when the fixing device is moved; a medium introduction port formed near the grip portion of the housing and introducing a recording medium to be subjected to fixing processing; and a grip surface relative to the grip portion to give The shutter is arranged obliquely at a fixed angle, so that the shutter has a fulcrum at the part near the gripping part of the medium inlet, and can rotate against the loading force of the loading device to close the medium inlet. According to this mechanical arrangement, when the user holds the fixing unit with his fingers to move the fixing unit, the fingers can turn the shutter to a position for closing the medium introduction port. Accordingly, fingers do not enter the inside of the...

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PUM

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Abstract

In a fixing unit 230, a medium introducing port 250 is provided near a gripping part 230a of a housing 230, and a sheet material 90 to be subjected to a fixing process is guided to the medium introducing port. A shutter 260 is provided slanted at a given angle with respect to a gripping surface 240 of the gripping part 230a of the fixing unit 230 such that the shutter has a fulcrum at a part thereof, which is closer to the gripping part 230a of the fixing unit 230, at the medium introducing port 250, and the shutter 260 is turnable to a position to close the medium introducing port 250 while resisting the urging forces of the twisted springs 270.

Description

technical field [0001] The present invention relates to a fixing device for an electrostatic recording type image forming device such as a copying machine, a facsimile machine or a printer. Background technique [0002] A conventional image forming apparatus based on an electrophotographic system operates as follows. The photosensitive element as an image carrier is charged by a charger. The charged photosensitive element is irradiated with light including image information to form a latent image on the photosensitive element. The latent image is developed into a toner image using a developing device. The toner is transferred onto a recording medium to form or reproduce an image on the medium. [0003] According to colorization of images, a tandem color imaging device for forming full-color images has been proposed. This type of imaging device has a plurality of imaging devices each performing the above-described imaging process. Color toner images of cyan, magenta and ...

Claims

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Application Information

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IPC IPC(8): G03G15/20
Inventor 志水忠文北川生一醒井政博松尾和德松崎圭一朝仓建治立松英树
Owner PANASONIC CORP