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US 5,273,266 AGranted

Reserving-type original feeding apparatus

AssigneeCanon Kabushiki Kaisha

InventorsMakoto Kitahara, Yuji Takahashi, Noriyoshi Ueda

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Abstract

The present invention provides a reserving type original feeding apparatus comprising a circulating original feeding portion having a first stack tray on which originals are supported, a first separating/supplying means unit for separating and supplying the originals supported in the first stack tray one by one from the bottom, an introduction sheet path for introducing the original supplied by the first separating/supplying unit to a processing portion, and an ejection sheet path for introducing the original processed by the processing portion to the first supply tray from the processing portion; a reserving original feeding portion having a second stack tray on which originals are supported, a second separating/supplying unit for separating and supplying the originals supported in the second stack tray one by one from the bottom, and a second introduction sheet path for introducing the original supplied by the second separating/supplying unit to the processing portion; an original ejector tray arranged substantially above the processing portion; and a second ejection sheet path for introducing the original processed by the processing portion to the original ejector tray from the processing portion. The present invention further provides an image forming system including the above-mentioned original feeding apparatus and further including an image forming portion for forming an image corresponding to an original image and a feeding unit for feeding a sheet material to the image forming portion.

Claims43

Dependent claims

Claim 1A reserving type original feeding apparatus · 224 words10 dependent Claim 7A reserving type original feeding apparatus · 265 words3 dependent Claim 11A reserving type original feeding apparatus · 329 wordsNo dependents Claim 12A reserving type original feeding apparatus · 278 words3 dependent Claim 16An image forming apparatus · 249 wordsNo dependents Claim 17An image forming system · 297 wordsNo dependents Claim 18An image forming system · 356 wordsNo dependents Claim 19An image forming system · 305 wordsNo dependents Claim 20A reserving type original feeding apparatus · 192 words5 dependent Claim 26A reserving type original feeding apparatus · 185 wordsNo dependents Claim 27A reserving type original feeding apparatus · 274 wordsNo dependents Claim 28A reserving type original feeding apparatus · 227 wordsNo dependents Claim 30A reserving type original feeding apparatus · 216 words4 dependent Claim 31A reserving type original feeding apparatus · 216 wordsNo dependents Claim 32A reserving type original feeding apparatus · 281 wordsNo dependents Claim 33A reserving type original feeding apparatus · 230 wordsNo dependents Claim 34A reserving type original feeding apparatus · 275 wordsNo dependents Claim 35A reserving type original feeding apparatus · 225 wordsNo dependents Claim 36An image forming apparatus · 212 wordsNo dependents Claim 37An image forming apparatus · 244 wordsNo dependents Claim 38An image forming apparatus · 306 wordsNo dependents Claim 39An image forming apparatus · 253 wordsNo dependents

A reserving type original feeding apparatus comprising:

a first original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one, and (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and for ejecting the original processed by the processing portion from the processing portion;
a reserving original feeding portion having (d) a second stack tray on which originals are supported, said second stack tray being adapted to receive manually-set originals, (e) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (f) a second sheet path for introducing the original supplied by said second separating/supplying means to the first original feeding portion;
an original ejection tray;
and
an ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from said processing portion, wherein on each of said first and second stack trays, the originals are set simultaneously to process the originals on said first stack tray and thereafter to process the originals on said second stack tray by feeding them to the first original feeding portion.

2 more elements

A reserving type original feeding apparatus comprising:

a circulating original feeding portion having (a) a first stack tray on which originals are supported, (b) first separation/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first stack tray from the processing portion;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
and
wherein, when no originals whose processing sequence is reversed are supported on said second stack tray, a first original group on said first stack tray is ejected onto said first stack tray or onto said ejector tray after said first original group has been processed, and, when originals comprising a second original group are supported on said stack tray, said first original group on said first stack tray is ejected onto said ejector tray after said first original group has been processed.

3 more elements

A reserving type original feeding apparatus comprising:

a circulating original feeding portion having (a) a first stack tray on which originals are supported, (b) first separation/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first stack tray from the processing portion, (e) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction, and (f) first position detecting means for detecting a position of said first regulating guide;
a reserving original feeding portion having (g) a second stack tray on which originals are supported, (h) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (i) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion, (j) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction, and (k) second position detecting means for detecting a position of said second regulating guide;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
and,
wherein the width of said first regulating guide detected by said first position detecting means is compared with the width of said second regulating guide detected by said second position detecting means, and, when the widths are equal to each other, the feeding of the original from said reserving original feeding portion to said circulating original feeding portion is permitted.

3 more elements

A reserving type original feeding apparatus comprising:

a circulating original feeding portion having (a) a first stack tray on which originals are supported, (b) first separation/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first stack tray from the processing portion, and (e) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion, and (i) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
and
driving means for driving said first and second regulating guides to change the widths thereof,
wherein said first regulating guide and said second regulating guide are driven by said driving means to have the same lateral widths.

4 more elements

An image forming apparatus comprising:

a first original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and for ejecting the original processed by the processing portion from the processing portion;
a reserving original feeding portion having (d) a second stack tray on which originals are supported, said second stack tray being adapted to receive manually-set originals, (e) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (f) a second sheet path for introducing the original supplied by said second separating/supplying means to the first original feeding portion;
an original ejector tray;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
and
feeding means for feeding a sheet material to said image forming portion,
wherein on each of said first and second stack trays, the originals are set simultaneously to process the originals on said first stack tray and thereafter to process the originals on said second stack tray by feeding them to the original feeding portion.

5 more elements

An image forming system comprising:

a circulating type original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first supply tray from the processing portion;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
and
feeding means for feeding a sheet material to said image forming portion;
and
wherein, when no originals whose processing sequence is reserved are supported on said second supply tray, a first original group on said first stack tray is ejected onto said first stack tray or onto said ejector tray after said first original group has been processed, and when originals comprising a second original group are supported on said second stack tray, said first original group on said first stack tray is ejected onto said ejector tray after said first original group has been processed.

6 more elements

An image forming system comprising:

a circulating type original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first stack tray from the processing portion, (e) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction, and (f) first position detecting means for detecting a position of said first regulating guide;
a reserving original feeding portion having (g) a second stack tray on which originals are supported, (h) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (i) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion, (j) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction, and (k) second position detecting means for detecting a position of said second regulating guide;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
and
feeding means for feeding a sheet material to said image forming portion;
and,
wherein the width of said first regulating guide detected by said first position detecting means is compared with the width of said second regulating guide detected by said second position detecting means, and, when said widths are equal to each other, the feeding of the original from said reserving original feeding portion to said circulating original feeding portion is permitted.

6 more elements

An image forming system comprising:

a circulating type original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, (d) a first ejection sheet path for ejecting the original processed by the processing portion to a first stack tray from the processing portion, (e) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) a second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the processing portion, and (i) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
feeding means for feeding a sheet material to said image forming portion;
and
driving means for driving said first and second regulating guides to change the lateral widths thereof,
wherein said first regulating guide and said second regulating guide are driven by said driving means to have the same lateral widths.

6 more elements

A reserving type original feeding apparatus comprising:

a circulating type original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a processing portion, (d) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to said processing portion, and (e) a first ejection sheet path for ejecting the original processed by said processing portion to said first supply tray from the processing portion;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) a second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, and (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said circulating original feeding portion;
an original ejector tray arranged substantially directly above said processing portion;
and
a second ejection sheet path for ejecting the original processed by said processing portion to said original ejector tray from said processing portion.

2 more elements

A reserving type original feeding apparatus comprising:

an original feeding path portion having (a) a first sheet stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one, (c) a processing portion, (d) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to said processing portion, and (e) a first ejection sheet path for ejecting the original processed by said processing portion to said first sheet stack tray from said processing portion;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion;
an original ejector tray arranged substantially directly above said processing portion;
and
a second ejection sheet path for ejecting the original processed by said processing portion to said original ejector tray from said processing portion.

2 more elements

A reserving type original feeding apparatus comprising:

a circulating original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and (d) a first ejection sheet path for ejecting the original processed by the processing portion to said first stack tray from the processing portion;
and,
a reserving original feeding portion having (e) a second stack tray on which originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said circulating original feeding portion;
an original ejector tray for receiving the original processed by the processing portion;
a second ejection sheet path for ejecting the original processed by the processing portion to said original ejector tray from the processing portion;
and
wherein, when no originals whose processing sequence is reserved are supported on said second stack tray, a first original group on said first stack tray is ejected onto said first stack tray or onto said ejector tray after said first original group has been processed, and when originals comprising a second original group whose processing sequence is reserved are supported on said second stack tray, said first original group on said first stack tray is ejected onto said ejector tray after said first original group has been processed.

4 more elements

A reserving type original feeding apparatus comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the original supported in said first stack tray one by one, (c) a processing portion, (d) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to said processing portion, and (e) an ejection sheet path for ejecting the original processed by said processing portion to said first stack tray from said processing portion;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, said second stack tray being adapted to receive manually-set originals, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion;
and
control means for controlling said apparatus so that the original set on said original feeding portion is first supplied to said processing portion for reading, and then an original set on said reserving original feeding portion is automatically supplied to said processing portion for reading through said original feeding portion when the originals on said first stack tray are exhausted.

1 more element

A reserving type original feeding apparatus comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one, (c) a processing portion, (d) a first sheet path for introducing the original supplied by said first separating/supplying means to said processing portion and for ejecting the original processed by said processing portion from said processing portion;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, said second stack tray being adapted to receive manually-set originals, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion;
and
control means for controlling said apparatus so that the original set on said original feeding portion is first supplied to said processing portion for reading and then, an original set on said reserving original feeding portion is automatically supplied to said processing portion for reading through said original feeding portion when the original on said first stack tray is exhausted.

1 more element

A reserving type original feeding apparatus comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one, (c) a processing portion, (d) a first sheet path for introducing the original supplied by said first separating/supplying means to said processing portion and for ejecting the original processed by said processing portion from said processing portion;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, said second stack tray being adapted to receive manually-set originals, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion;
and
control means for controlling said apparatus so that the original set on said original feeding portion is first supplied to said processing portion for reading, and then, an original set on said reserving original feeding portion is automatically supplied to said processing portion for feeding through said original feeding portion, when the original on said first stack tray is exhausted.

1 more element

A reserving type original feeding apparatus comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and for ejecting the original processed by the processing portion from the processing portion, (d) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction, and (e) first position detecting means for detecting a position of said first regulating guide;
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion, (i) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction, and (j) second position detecting means for detecting a position of said second regulating guide;
wherein the width LB of said first regulating guide detected by said first position detecting means is compared with the width LA of said second regulating guide detected by said second position detecting means, and, when said widths are equal to each other, the feeding of the original from said reserving original feeding portion to said original feeding portion is permitted.

A reserving type original feeding apparatus comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in said first stack tray one by one from the bottom, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion, and for ejecting the original processed by the processing portion from the processing portion, and (d) a first regulating guide for regulating the lateral movement of the original on said first supply tray in a direction transverse to an original feeding direction;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one from the bottom, (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion, and (h) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction;
and
driving means for driving said first and second regulating guides to change the widths thereof,
wherein said first regulating guide and said second regulating guide are driven by said driving means to have the same lateral widths.

2 more elements

A reserving type original feeding apparatus, comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and ejecting the original processed by the processing portion from the processing portion, (d) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction, and (e) first position detecting means for detecting a position of said first regulating guide;
and
a reserving original feeding portion having (f) a second stack tray on which originals are supported, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion;
(i) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction, and (j) second position detecting means for detecting a position of said second regulating guide;
wherein the width formed by said first regulating guide detected by said first position detecting means is compared with the width formed by said second regulating guide detected by said second position detecting means, and when, said widths are equal to each other, the feeding of the original from said reserving original feeding portion to said original feeding portion is permitted.

2 more elements

A reserving type original feeding apparatus, comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and for ejecting the original processed by the processing portion from the processing portion, and (d) a first regulating guide for regulating the lateral movement of the original on said first supply tray in a direction transverse to an original feeding direction;
a reserving original feeding portion having (e) a second stack tray on which originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion, and (h) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction;
and
driving means for driving said first and second regulating guides to change the lateral positions thereof,
wherein said first regulating guide and said second regulating guide are driven by said driving means to form the same lateral widths.

2 more elements

An image forming apparatus, comprising:

an original feeding portion having (a) a first sheet stack tray on which originals are supported, (b) a first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a processing portion, (d) a first introduction sheet path for introducing the original supplied by said first separating/supplying means to said processing portion, and (e) a first ejection sheet path for ejecting the original processed by said processing portion to said first sheet stack tray from said processing portion;
a reserving original feeding portion having (f) a second stack tray on which the originals are supported, (g) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion;
an original ejector tray arranged substantially directly above said processing portion;
a second ejection sheet path for ejecting the original processed by said processing portion to said original ejector tray from said processing portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
and
feeding means for feeding a sheet material to said image forming portion.

4 more elements

An image forming apparatus, comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, said first stack tray being adapted to receive manually-set originals, (b) first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a processing portion, and (d) a first sheet path for introducing the original supplied by said first separating/supplying means to said processing portion and for ejecting the original processed by said processing portion from said processing portion;
a reserving original feeding portion having (e) a second stack tray on which the originals are supported, said second stack tray being adapted to receive manually-set originals (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, and (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to said original feeding portion;
an image forming portion for forming an image corresponding to an image recorded on the original;
feeding means for feeding a sheet material to said image forming portion;
and
control means for controlling said apparatus so that the original set on said original feeding portion is first supplied to said processing portion for reading, and then an original set on said reserving original feeding portion is automatically supplied to said processing portion for reading through said original feeding portion when the originals on said first stack tray are exhausted.

3 more elements

An image forming apparatus, comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and for ejecting the original processed by the processing portion from the processing portion, (d) a first regulating guide for regulating the lateral movement of the original on said first stack tray in a direction transverse to an original feeding direction, and (e) first position detecting means for detecting a position of said first regulating guide;
a reserving original feeding portion having (f) a second stack tray on which the originals are supported, (g) a second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, (h) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion;
(i) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction, and (j) second position detecting means for detecting a position of said second regulating guide;
an image forming portion for forming an image corresponding to an image recorded on the original;
and
feeding means for feeding a sheet material to said image forming portion,
wherein the width formed by said first regulating guide and detected by said first position detecting means is compared with the width formed by said second regulating guide and detected by said second position detecting means, and when, said widths are equal to each other, the feeding of the original from said reserving original feeding portion to said original feeding portion is permitted.

4 more elements

An image forming apparatus, comprising:

an original feeding portion having (a) a first stack tray on which originals are supported, (b) first separating/supplying means for separating and supplying the originals supported in the first stack tray one by one, (c) a first sheet path for introducing the original supplied by said first separating/supplying means to a processing portion and for ejecting the original processed by the processing portion from the processing portion, and (d) a first regulating guide for regulating the lateral movement of the original on said first supply tray in a direction transverse to an original feeding direction;
a reserving original feeding portion having (e) a second stack tray on which the originals are supported, (f) second separating/supplying means for separating and supplying the originals supported in said second stack tray one by one, (g) a second introduction sheet path for introducing the original supplied by said second separating/supplying means to the original feeding portion, and (h) a second regulating guide for regulating the lateral movement of the original on said second stack tray in a direction transverse to the original feeding direction;
an image forming portion for forming an image corresponding to an image recorded on the original;
feeding means for feeding a sheet material to said image forming portion;
and
driving means for driving said first and second regulating guides to change the tray widths thereof,
wherein said first regulating guide and said second regulating guide are driven by said driving means to having the same lateral tray widths.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 08/031,283Filed 12 Mar 1993 · continuation
Priority: JP 63-3062502 Dec 1988
Granted: 28 Dec 1993
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

G03G 15/60
Apparatus for electrographic processes using a charge pattern: apparatus which relate to the handling of originals
G03B 27/6257
Apparatus which relate to the handling of originals, e.g. presence detectors, inverters: arrangements for moving an original once or repeatedly to…
G03G 2215/00185
Concerning the original's state of motion: original at rest
G03G 2215/00358
Specific document handling machines: plural feed trays for document sets, e.g. multi-job

Family

Serial444,310Parent of this continuation · filed 1 Dec 1989
Serial967,575Parent of this continuation · filed 28 Oct 1992
US 5,273,266 AThis patent

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