Fixing device, image forming apparatus, and method for adjusting length of interposing and pressurizing region by fixing device

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United States of America Patent

PATENT NO 11334007
APP PUB NO 20210341860A1
SERIAL NO

17379870

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An image forming apparatus includes a transfer unit for transferring a toner image onto a sheet, a fixing device for fixing the image, the fixing device including a belt, a pressure element for pressing against the belt, a heating member on the belt including a heat generating element and electrodes on both sides of the heat element in a sheet conveyance direction and connected to the heat element, and an adjustment mechanism for moving one of the heating member and the pressure element in a manner to move the one closer to or away from the other, and a controller for controlling the adjustment mechanism so that a distance between the heating member and the pressure element becomes a first distance during a fixing process and a second distance larger than the first distance during temperature raising of the heating member, which is conducted before the fixing process.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA; KABUSHIKI KAISHA TOSHIBA AND TOSHIBA TEC KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kikuchi, Kazuhiko Kanagawa, JP 186 938
Miyauchi, Chie Kanagawa, JP 28 60
Takagi, Osamu Tokyo, JP 339 2940

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