Clam shell type image forming apparatus

Details Clam shell type image forming apparatus Clam shell type image forming apparatus

1990-10-23

1991-08-20

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355271, 355282, 355210, G03G 1500, G03G 1514, G03G 1520

Patent

active

050418718

ABSTRACT:
An image recording apparatus divided into an upper portion and a lower portion. The photosensitive drum is in the upper portion, and the transfer belt unit and photographic fixing unit are on a unit mount plate in the lower portion. Protrusions are provided in the lower portion to position the unit mount plate and the transfer belt unit and photographic fixing unit which it carries. A spring member is also provided on the upper portion in a position corresponding to the photographic fixing unit.
As a result, the mount plate is so positioned on the lower portion that, when the upper and lower portions are closed, the photographic fixing unit is pushed down by the spring member and the transfer belt unit is pushed down by the photosensitive drum.

REFERENCES:
patent: 4556308 (1985-12-01), Hoppner et al.
patent: 4588280 (1986-05-01), Ogawa et al.
patent: 4634264 (1987-01-01), Takahashi
patent: 4641947 (1987-02-01), Ishida et al.
patent: 4668072 (1987-05-01), Yasuda
patent: 4788572 (1988-11-01), Slayton et al.
patent: 4814817 (1989-03-01), Nishijima et al.
patent: 4876572 (1989-10-01), Nagatsuna
patent: 4926219 (1990-05-01), Hirasawa et al.
patent: 4974033 (1990-11-01), Yamada et al.

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