Toner image fixing device having improved lamp heater

Details Toner image fixing device having improved lamp heater Toner image fixing device having improved lamp heater

1994-01-07

1995-07-25

Beatty, Robert

Electric heating

Heating devices

Combined with diverse-type art device

219469, 355289, G03G 1520

Patent

active

054364310

ABSTRACT:
A toner image fixing device comprises a heat roller and a lamp heater. The lamp heater is formed from a nicrome wire stretched between clamp terminals, a silica tube and ceramic holders closely fitted to respective ends of the silica tube and which have an external diameter which is substantially the same as the diameter of the heating roller. The lamp heater is secured by a lamp holder and frame to the shaft of the heat roller. The heat roller is rotatably supported by a bearing and is driven by a driving gear.

REFERENCES:
patent: 3720808 (1973-03-01), Morrissey
patent: 4554434 (1985-11-01), Bailleul et al.
patent: 4618240 (1986-10-01), Sakurai et al.
patent: 4736226 (1988-04-01), Mogi
patent: 4868368 (1989-09-01), Araki
patent: 5115119 (1992-05-01), Adachi et al.
patent: 5140132 (1992-08-01), Shiokawa
patent: 5241159 (1993-08-01), Chatteriee et al.

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