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

Filed on

1989-11-17

Date issued

1992-05-19

Examiner

Schacher, Richard A.

Patent Class

Sheet feeding or delivering

SubClass

Feeding

SubSubClass

By means to convey sheet

Other Related Categories

355 75, 271176, B65H 702

Type

Patent

Status

active

Patent number

051141396

Description

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 an automatic original delivery device and after the copying operation, the original is discharged to the outside of the appartus. This automatic original delivery device is controlled by a copying paper sheet delivery trouble detector so that the reverse delivery of the original can be performed by the automatic original delivery device. 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: 3746445 (1973-07-01), Bobbitt
patent: 3814518 (1974-06-01), Wichers

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