US 6,085,913 AGranted

Sheet stacking apparatus capable of shifting sheets on bins

AssigneeCanon Kabushiki Kaisha

InventorsYasuyuki Aiko, Satoshi Kuroyanagi, Mitsuhiko Sato, Masahito Yamamoto, Yoshihito Osari

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Abstract

In an image forming apparatus such as a copying machine or the like having a sorter with a plurality of paper ejection bins, there is provided a sorter apparatus which can efficiently execute a dividing and sorting operations for every work irrespective of a size and a direction of sheets, the presence or absence of a sheet stapler, a remaining state in the sheet sorter apparatus, or the like. A recycle automatic document feeder (RDF) for automatically feeding originals, a sorter, an aligning bar and a reference bar in a sorter bin, and the like are provided. When a length of sheet exceeds a predetermined value, the movement of the sheets by the reference bar is inhibited.

Claims23

Dependent claims

A sheet stacking apparatus comprising:

a bin having an opening portion for taking out sheets on each of a front-side surface and a lateral side surface;
aligning means for aligning the sheets on said bin;
sheet deviating means for deviating the sheets, aligned by said aligning means, on said bin toward said front-side surface so that corners of the sheets protrude from said bin toward said front-side surface;
and
control means for inhibiting said sheet deviating means from deviating the sheets on said bin toward said front-side surface such that the corners of the sheets protrude from said bin toward said front-side surface, and permitting the operation of said aligning means such that the sheets can be taken out from said lateral side surface in a state that the sheets are being aligned, if a length of sheets in a direction parallel with said front-side surface is longer than a length of an opening portion on the front-side surface.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/497,466Filed 30 Jun 1995
Priority: JP 6-1546656 Jul 1994
Granted: 11 Jul 2000
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

G03G 15/6547
Devices for collating sheet copy material, e.g. sorters, control, copies in staples form: shifting sets of sheets in the discharge tray
B42C 1/125
Machines for both collating or gathering and permanently attaching together the sheets or signatures: sheet sorters combined with binding devices
B65H 33/06
Forming counted batches in delivery pile or stream of articles: by displacing articles to define batches
B65H 2408/1144
Means for shifting articles contained in at least one bin, e.g. for displacing the articles towards processing means as stapler, perforator:…