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US 2010/0142978 A1Published application
Fixing device
AssigneeSamsung Electronics Co., Ltd.
InventorsHo-Ill Hyun, Kwon Ho Yoon
Life of this patent
Estimating the term…
Abstract
A fixing device and an image forming apparatus having the same, and a method of operating the fixing device, the fixing device being provided with a power interruption unit to prevent overheating of the fixing device by physically separating a fuse element from a power line and/or approximating a thermostat to a fixing member of the fixing device.
Claims19
A fixing device comprising:
- a fixing member including a heating source;
- a fuse element connected to a power line interconnecting the heating source and a main power;
- a thermostat serially connected to the fuse element through the power line to be turned on and off according to a temperature of the fixing member;
- and
- a power interruption unit to separate the fuse element from the power line and move the thermostat toward the fixing member so that power supplied to the heating source is interrupted in response to the fixing member being overheated.
2 more elements
A fixing device comprising:
- a fixing member having a heating source;
- a thermostat to control power supplied to the heating source;
- and
- a power interruption unit to move the thermostat with respect to the fixing member in response to detecting a predetermined temperature of the fixing device.
1 more element
A fixing device comprising:
- a fixing member having a heating source;
- a fuse element provided in a power line connected to the heating source;
- and
- a power interruption unit to disconnect the fuse element from the power line in response to detecting a predetermined temperature of the fixing device.
1 more element
Dependencies are inferred from the claim text.