Temperature distribution equalizing structure in heat roller of

Details Temperature distribution equalizing structure in heat roller of Temperature distribution equalizing structure in heat roller of

1997-11-10

2000-03-14

Pelham, Joseph

Wooden receptacles

Barrels

Ventilated

399331, 399334, G03G 1520

Patent

active

060360399

ABSTRACT:
A temperature distribution equalizing structure of a heat roller in an image forming device such as a laser printer which is capable of preventing, in a simple manner, a decrease in the temperature on both ends of a heat roller installed in the laser printer, includes first and second through apertures respectively formed on a pair of bearings disposed on both ends of the heat roller and a gear disposed on one end of the heat roller to thereby allow a halogen lamp to pass therethrough such that the remaining portions of the bearings and the gear are each closed, for preventing a decrease in temperature on both ends of the heat roller and for simultaneously preventing the halogen lamp from being inclined on an interior of the heat roller.

REFERENCES:
patent: 4229950 (1980-10-01), Fessenden
patent: 4607936 (1986-08-01), Miyakawa et al.
patent: 4632855 (1986-12-01), Conlon et al.
patent: 5221947 (1993-06-01), Ndebi et al.
patent: 5649891 (1997-07-01), Kass et al.
patent: 5659848 (1997-08-01), Jeon
patent: 5811759 (1998-09-01), Kosagi et al.

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