Image-forming apparatus provided with automatic original deliver

Details Image-forming apparatus provided with automatic original deliver Image-forming apparatus provided with automatic original deliver

1991-11-20

1993-03-09

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

By means to change direction of sheet travel

271265, 271902, 355309, 355316, B65H 500

Patent

active

051920719

ABSTRACT:
The present invention relates to an image-forming apparatus provided with an automatic original delivery mechanism, in which an original set at an insertion opening is automatically received and guided to a copying position by automatic original delivery means and after the copying operation, the original is discharged to the outside of the apparatus. This automatic original delivery means is controlled by copying paper sheet delivery trouble detecting means so that the reverse delivery of the original can be performed by the automatic original delivery means. In this apparatus, if a delivery trouble of a copying paper sheet is caused, the inserted original is returned to the initial setting position by this reverse delivery, and the operation of setting the original at the initial setting position again can be omitted. If an original formed of a very thin paper or very thin sheet is used in this image-forming apparatus, an original carrier sheet is used for the copying operation so as to prevent the original from being damaged. In the present invention, an original carrier sheet having a specific notch formed in a connecting portion of two sheet portion of the carrier sheet is used, and improper setting of the original can be prevented by this original carrier sheet.

REFERENCES:
patent: 3817515 (1974-06-01), Kodama
patent: 4318611 (1982-03-01), Tsuda et al.
patent: 4750020 (1988-06-01), Ishizu et al.
patent: 5081490 (1992-01-01), Wakao
patent: 5099291 (1982-03-01), Yoshioka et al.
patent: 5105229 (1992-04-01), Ozaki

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