Image forming device for pressure-contacting an endless belt on

Details Image forming device for pressure-contacting an endless belt on Image forming device for pressure-contacting an endless belt on

1989-12-20

1992-12-15

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355272, 355326, G03G 1501

Patent

active

051721759

ABSTRACT:
An image forming device has a rotating image carrier for carrying an image and a transfer unit including a plurality of rotating rollers, an endless belt travelling around the rollers, and a supporting member for supporting the rollers in such a manner that distances between the rollers be kept constant. At least one of the rollers is a pressure-contacting roller opposed to the image carrier with the endless belt therebetween. The device further has a pressure-contacting unit for energizing the transfer unit in a direction that the pressure-contacting roller be pressure-contacted on the image carrier with the endless belt therebetween.

REFERENCES:
patent: 2408143 (1946-09-01), Huebner
patent: 2626865 (1953-01-01), Mayo et al.
patent: 4162843 (1979-07-01), Inoue et al.
patent: 4515460 (1985-05-01), Knechtel
patent: 4531828 (1985-07-01), Hoshino

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