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Heating device, belt heating device, fixing device, and image forming apparatus

A heating device and image technology, which are applied in the equipment of electric recording process applying charge pattern, electric recording process applying charge pattern, electric recording technique, etc., can solve the problem of lowering the positioning accuracy of parts, and reduce the relative position offset. Effect

Pending Publication Date: 2021-07-30
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In such a heating device, the difference in the coefficient of thermal expansion between the parts may lead to a reduction in the positioning accuracy of the parts

Method used

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  • Heating device, belt heating device, fixing device, and image forming apparatus
  • Heating device, belt heating device, fixing device, and image forming apparatus
  • Heating device, belt heating device, fixing device, and image forming apparatus

Examples

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Embodiment Construction

[0045] Referring to the drawings, the configuration of an image forming apparatus 100 according to an embodiment of the present disclosure is described below. In the drawings for explaining the embodiments of the present disclosure, the same reference numerals are assigned to elements having the same function or the same shape (for example, elements and parts having the same function) as far as possible to distinguish, and A description of these elements will be omitted after the description.

[0046] figure 1 is a schematic cross-sectional view of the image forming apparatus 100 according to the embodiment of the present disclosure. The image forming apparatus 100 is a printer. Alternatively, the image forming apparatus 100 may be a copier, a facsimile, a multifunction peripheral (MFP) having at least two functions of printing, copying, facsimile, scanning, and plotter, or the like.

[0047] like figure 1As shown, an image forming apparatus 100 includes four image forming...

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PUM

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Abstract

A heating device (9) includes a heater (22), a holder (23), a device frame (40), a primary positioner (A), a secondary positioner (B), and a tertiary positioner (C). The heater includes a heat generator (60). The holder holds the heater. The device frame is configured to support the holder. The primary positioner is configured to position the heater and the holder in a longitudinal direction of the heater. The secondary positioner is configured to position the holder and the device frame in the longitudinal direction of the heater. The tertiary positioner is configured to position the device frame and a body of an image forming apparatus in the longitudinal direction of the heater. The primary positioner and one of the secondary positioner and the tertiary positioner are disposed on an identical side defined by a center of the heat generator in the longitudinal direction of the heater.

Description

technical field [0001] Embodiments of the present disclosure generally relate to a heating device, a belt heating device, a fixing device, and an image forming apparatus. Background technique [0002] As a heating device used in an image forming apparatus such as a copier or a printer, there are known, for example, a fixing device that fixes toner on a sheet under heat, and a drying device that dries ink on the sheet. [0003] In such a heating device, the difference in thermal expansion coefficient between components may lead to a decrease in positioning accuracy of the components. [0004] In order to solve such a problem, for example, JP-2016-212384-A proposes a fixing device that positions a heater holder holding a flat heater in the longitudinal direction with respect to one of the left and right frames. [0005] Citation list [0006] patent documents [0007] [Patent Document 1] JP-2016-212384-A Contents of the invention [0008] technical problem [0009] In t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/20
CPCG03G15/2017G03G15/2053G03G2215/2035G03G15/2064G03G2215/2038
Inventor 古市祐介足立知哉染矢幸通关贵之
Owner RICOH KK
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