Image-forming machine having a cover member and comprising engag

Details Image-forming machine having a cover member and comprising engag Image-forming machine having a cover member and comprising engag

1988-07-06

1990-03-13

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

292128, G03G 1500

Patent

active

049086596

ABSTRACT:
An image-forming machine includes a supporting structure having a lower supporting frame and an upper supporting frame mounted on the lower supporting frame so as to be free to pivot between an open position and a closed position, a locking device for releasably locking the upper supporting frame at the closed position, and a cover member mounted on the supporting structure so as to be opened and closed. The locking device has an engaging member mounted movably between a locking position and a releasing position. The cover member can be maintained in the closed state only when the upper supporting frame is at the closed position and the engaging member is at the locking position.

REFERENCES:
patent: 4523831 (1985-06-01), Yokoo et al.
patent: 4641947 (1987-02-01), Jishida
patent: 4668072 (1987-05-01), Yasuda
patent: 4671644 (1987-06-01), Sumida
patent: 4705384 (1987-11-01), Mizutani et al.

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