Automatic document conveying device for image processing machine

Sheet feeding or delivering – Delivering to stack and feeding therefrom – With sheet sensor for selective location

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Details

271 31, 271 17, 271225, 271902, B65H 8500

Patent

active

051276429

ABSTRACT:
An automatic document conveying device for an image-processing machine including a housing having on its upper surface a transparent plate on which to place a document to be processed. The device includes an opening-closing frame member mounted on the housing so that it is free to pivot about a pivot axis extending along the rear edge of the transparent plate between a closed position at which it covers the transparent plate and an open position at which it exposes the transparent plate to view; a stationary frame member to be mounted on the housing adjacent to the upstream end of the transparent plate; a document table disposed on the stationary frame member; a document sending unit for sending a plurality of sheet-like documents placed on the document table to a document carrying-in passage one by one; and a document carrying-in unit for introducing the sheet-like documents sent to the document carrying-in passage toward the transparent plate. A conveyor belt unit is disposed in the opening-closing frame member. The conveyor belt unit includes a unit frame mounted in the opening-closing frame member, a driven shaft a follower shaft mounted on the unit frame in spaced-apart relationship in the conveying direction, and an endless belt wrapped about the driven shaft and the follower shaft.

REFERENCES:
patent: 4620782 (1986-11-01), Kurando et al.
patent: 4921236 (1990-05-01), Saeki et al.
patent: 4935780 (1990-06-01), Yamada et al.
patent: 4954847 (1990-09-01), Murata et al.
patent: 4975749 (1990-12-01), Tsunoda et al.
patent: 4993699 (1991-02-01), Takahashi

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