Internally heated roller assembly for toner image fixing apparat

Details Internally heated roller assembly for toner image fixing apparat Internally heated roller assembly for toner image fixing apparat

1992-02-20

1993-06-22

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355282, G03G 1520

Patent

active

052219470

ABSTRACT:
An internally heated roller assembly for a toner image fuser includes a roller having opposite ends. A lamp is supported inside the roller by a pair of lampholders, one positioned at each end. Each lampholder is fit over a core or gudgeons which extend from the ends of the roller. Each lampholder rotates with the roller. An internal cylindrical surface in each lampholder supports an extension from an elongated heating lamp positioned inside the roller. The lamp is held stationary by a cord protruding from one of the extensions while the holder rotates with respect to the extension while supporting it. Cylindrically shaped or arranged bearings are positioned around an outside cylindrical surface of the holder where the holder is fit on the core or gudgeons.

REFERENCES:
patent: 4618240 (1986-10-01), Sakurai et al.
patent: 4780078 (1988-10-01), Masui
patent: 4825242 (1989-04-01), Elter
patent: 5032875 (1991-07-01), Gooray et al.
patent: 5094613 (1992-03-01), Dolcimascolo et al.
patent: 5115119 (1992-05-01), Adachi et al.

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