Patent · US Active

Image forming apparatus

US9632463B2 · kind B2 · utility

2Cited by

7References

3Claims

0Family size

Assignee

Kabushiki Kaisha Toshiba · JP

Inventors

Ryosuke Yagi · Yokohama, JP
Takuya Hongo · Kawasaki, JP
Norihiro Tomimatsu · Kawasaki, JP

Key dates

Filing date	Dec 30, 2015
Grant date	Apr 25, 2017
Priority date	—
Expiry date	Dec 30, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/2064
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An image forming apparatus according to an embodiment includes, a fixing roller including a heat generation source, supplying heat to a printing object, and fixing toner on the printing object, an opposing roller opposed to the fixing roller to hold the printing object between the opposing roller and the fixing roller, a heat exchange roller containing a heat storage material capable of changing in between a liquid and a solid phase, a sensor capable of sensing a temperature of the fixing roller; and a driving unit causing the heat exchange roller to abut against the fixing roller and separating the heat exchange roller from the fixing roller, in accordance with the temperature of the fixing roller sensed by the sensor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.