Sheet feeding or delivering – Delivering – With transfer means between conveyor and receiver
Reexamination Certificate
1999-03-22
2001-06-26
Walsh, Donald P. (Department: 3653)
Sheet feeding or delivering
Delivering
With transfer means between conveyor and receiver
C271S291000, C271S296000, C271S303000
Reexamination Certificate
active
06250627
ABSTRACT:
BACKGROUND OF THE INVENTION
There exist in the prior art devices which include printed sheet receiving inlets to sheet transports which include sheet deflectors for displacing the sheets from the transport and delivering the sheets to a receiving tray of a sheet sorter or stacker.
An example of such prior art is seen in U.S. Pat. No. 4,836,529, granted Jun. 6, 1989 and U.S. Pat. No. 5,048,819, granted Sep. 17, 1991, of Ikegami Tsushinki Co., Ltd.
Other sheet transports of the type generally referred to above include Canon U.S. Pat. No. 4,878,656, granted Nov. 7, 1989 and Minolta U.S. Pat. No. 5,509,645, granted Apr. 23, 1996.
SUMMARY OF THE INVENTION
An object of the present invention is to adapt a sheet feeding and transport system for selective delivery of sheets, inverted or not, from a printer or copier and delivering the sheets to one of a variety of types of sheet receivers or post processing, sorting, stacking, job separating, mailboxing apparatus, selectively applicable at optional vertically spaced locations on the sheet transporting apparatus.
A feature of this invention is that an inverter may or may not be included in an infeed device which carries sheets from the source into the feed path, the infeed device being vertically adjustable to receive sheets from host machines having various output heights and requiring that the sheets be inverted or not.
Another feature of the invention is that the sheet feed path is adapted for delivery of the sheets to one or another of various post processing or receiving devices and has a deflector which is vertically adjustable independently of the sheet feed path to selected locations for delivery of sheets to the selected post processing, stacking or receiving devices. In this connection, the apparatus also includes a sheet bypass in the base of the apparatus which enables the apparatus to be positioned in tandem fashion in conjunction with additional similar devices in combination with a sheet inlet to the apparatus for sheets which are being received in the tandemly arranged second apparatus.
In the performance of the features referred to above, the apparatus includes a sheet transport with which the adjustable infeed is vertically movable (either including or not including the inverter structure) by manual vertical adjustment, as illustrated, or by adjustment by automatic means, and it includes feed rolls engageable with a feed belt in various vertically adjusted presentation of a sheet to the feed path.
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Coombs Peter M.
Noguchi Kiichiro
Stevenson Ryan S
Takeuchi Masakazu
Gradco (Japan) Ltd.
Lee, Jr. Newton H.
Schlak Daniel K
Walsh Donald P.
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