Title:
FIXING DEVICE IN IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP3159046
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To speedily blow a temperature fuse when a heat roller is abnormally overheated.
SOLUTION: The heat roller 15 which is pressed by a pressure roller 16 arranged in a fixing unit case is pivotally supported by bearings 44 made of synthetic resin, which soften by abnormal overheat, an electrically insulation cover body 63 having a heat collection face 63 with a cross-section in the form of a circular arc, which faces the periphery of the heat roller 15 in the opposite direction of the pressing, is fixed to the inside of a lower case 42, and a temperature fuse 64 is fixed to the back of the cover body 63. The temperature fuse 64 is connected in series to an electric circuit from a power source 39 to a halogen lamp 43 in the heat roller 15.
Inventors:
Yoshiya Tomatsu
Application Number:
JP8928596A
Publication Date:
April 23, 2001
Filing Date:
April 11, 1996
Export Citation:
Assignee:
Brother Industries, Ltd.
International Classes:
G03G15/20; H05B3/00; (IPC1-7): G03G15/20; H05B3/00
Domestic Patent References:
| JP5100594A | ||||
| JP6124050A | ||||
| JP3223879A | ||||
| JP1105278A | ||||
| JP58132772A |
Attorney, Agent or Firm:
Akio Ishii (2 outside)