Fixing device in an image-forming machine

Details Fixing device in an image-forming machine Fixing device in an image-forming machine

1997-07-09

1998-10-20

Grimley, Arthur T.

Electrophotography

Having particular structure

Modular or displaceable

399320, 399328, 399330, G03G 1520

Patent

active

058261419

ABSTRACT:
A fixing device in an image-forming machine comprising a lower housing, an upper housing supported on one side of said lower housing and allowed to rotate between a closed position and an open position, a pressing roller rotatably mounted on said lower housing, and a heating roller having bearing members attached to both ends thereof and is detachably mounted on said upper housing, said upper housing being provided with nearly semicircular recessed mounting portions with which will be fitted said bearing members of said heating rollers. The upper housing is equipped with a holder member which is so constituted as to move to a first position where the said bearing members are allowed to be attached to, or detached from, said recessed mounting portions, and to a second position where it comes into contact with said bearing members fitted to said recessed mounting portions to maintain said bearing members fitted to said recessed mounting portions, and a fastening means is provided to fasten said holding member at said second position.

REFERENCES:
patent: 4782359 (1988-11-01), Tomoe

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