Fixing device and image forming device including same
A technology for fixing belts and cover parts, which is applied in the field of fixing devices and image forming devices, and can solve problems such as poor precision
Active Publication Date: 2019-02-15
KYOCERA DOCUMENT SOLUTIONS INC
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Problems solved by technology
As a result, there is a problem that the rotation detection of the fixing belt by the cover member cannot be performed with high accuracy.
Method used
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[0050] In the above-described embodiment, the image forming apparatus 1 is constituted by a laser printer, but is not limited thereto, and the image forming apparatus 1 may be, for example, a copier, a multifunction machine, or the like.
[0051] In the above-described embodiment, the fixing belt 22 is heated by the induction heating unit 30 , but the present invention is not limited thereto, and the fixing belt 22 may be heated by a halogen heater or the like.
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The invention provides a fixing device and an image forming device. The fixing device of the present invention includes a cover member attached to an end portion of the fixing belt in the direction of the rotation axis via a rotation transmission member. The axis of the support shaft portion of the support cover member is eccentric with respect to the rotation axis of the fixing belt. As a result, the axis of the support shaft portion of the support cover member is eccentric with respect to the rotation axis of the fixing belt.
Description
technical field [0001] The present invention relates to a fixing device and an image forming device including the fixing device. Background technique [0002] Conventionally, there is known a fixing device that includes: an endless fixing belt heated by a heating unit; a pressure pad that abuts against the inner peripheral surface of the fixing belt; and a pressure roller that is separated from the pressure pad. The fixing belt is crimped with a predetermined pressure. The pressure roller forms a fixing nip with the fixing belt and applies rotational driving force to the fixing belt. [0003] In such a fixing device, if the fixing belt slips with respect to the pressure roller, there is a problem that the fixing belt is locally heated by the heating portion to be damaged. In order to avoid this problem, there has been proposed a fixing device in which a cover member is attached to an end portion of the fixing belt in the direction of the rotation axis, and the rotation of ...
Claims
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IPC IPC(8): G03G15/20
CPCG03G15/2003G03G15/2064G03G2215/2035G03G15/2053
Inventor 笠間健一
Owner KYOCERA DOCUMENT SOLUTIONS INC
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