Image-forming machine

Details Image-forming machine Image-forming machine

1988-12-15

1990-03-13

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355315, G03G 1500

Patent

active

049086685

ABSTRACT:
An image-forming machine comprising a main body of the machine and an image bearing member disposed within the main body and adapted to form an image on an electrophotographic material disposed on the surface of the image bearing member. According to a first aspect, the main body of the image-forming machine includes a lower supporting frame and an upper supporting frame mounted on the lower supporting frame for free pivotable movement between an open position and a closed position, and a cover member mounted on the upper supporting frame, in which when the upper supporting frame is held at the open position, the cover member covers part of the image bearing member. According to a second aspect, an image-forming area and a non-image-forming area exist on the surface of the image bearing member, and when an image-forming step is over, the non-image-forming area is positioned at a transfer opening formed for image transfer. According to a third aspect, a transfer zone in which to transfer the image to a sheet material and a peeling zone in which to peel the sheet material from the image bearing member are kept in a predetermined relationship so as to ensure accurate peeling of the sheet material.

REFERENCES:
patent: 4500195 (1985-02-01), Hosono
patent: 4579441 (1986-04-01), Hart et al.
patent: 4627701 (1986-12-01), Onoda et al.

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