Automatic document feeder and image reader
The invention provides an image reader provided with an automatic document feeder which has a switchback path and can perform a both-faces processing operation, and which makes it possible to simplify the control of a switchback operation and handle a long-sized document sheet without making the dia...
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| creator | FUKASAWA EIJI IMAMURA TAKAO TAKIDA NORIO SHOJI NAOKI NATORI JUN NAKAGOMI HIROSHI IINO SEIJI |
| description | The invention provides an image reader provided with an automatic document feeder which has a switchback path and can perform a both-faces processing operation, and which makes it possible to simplify the control of a switchback operation and handle a long-sized document sheet without making the diameter of a feed roller large and making the switchback path unnecessarily long. An automatic document feeder of the invention comprises a feed path a, b for feeding a document sheet drawn out from a paper feed stacker to an image reading portion facing a feed roller 5, a switchback path c for making a document sheet which has been processed at the image reading portion X switchback, a pair of switchback rollers 25 which are provided so as to make a document sheet switchback in the switchback path and are able to turn forward and backward, and a paper discharge path d for discharging a document sheet being in the switchback path c onto a paper discharge stacker 4. Here, the switchback path c is provided in a casing below the paper discharge stacker and the casing has an opening 1 p formed in it so that the fore end of a document sheet guided into the switchback path projects from the casing.Further, the pair of switchback rollers are disposed at the downstream side in the switchback path c so that the fore end and the rear end of a document made to switchback do not overlap each other through the feed roller 5. |
| format | Patent |
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An automatic document feeder of the invention comprises a feed path a, b for feeding a document sheet drawn out from a paper feed stacker to an image reading portion facing a feed roller 5, a switchback path c for making a document sheet which has been processed at the image reading portion X switchback, a pair of switchback rollers 25 which are provided so as to make a document sheet switchback in the switchback path and are able to turn forward and backward, and a paper discharge path d for discharging a document sheet being in the switchback path c onto a paper discharge stacker 4. Here, the switchback path c is provided in a casing below the paper discharge stacker and the casing has an opening 1 p formed in it so that the fore end of a document sheet guided into the switchback path projects from the casing.Further, the pair of switchback rollers are disposed at the downstream side in the switchback path c so that the fore end and the rear end of a document made to switchback do not overlap each other through the feed roller 5.</description><edition>7</edition><language>eng</language><subject>CINEMATOGRAPHY ; CONVEYING ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HANDLING THIN OR FILAMENTARY MATERIAL ; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES ; HOLOGRAPHY ; MAGNETOGRAPHY ; PACKING ; PERFORMING OPERATIONS ; PHOTOGRAPHY ; PHYSICS ; STORING ; TRANSPORTING</subject><creationdate>2002</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020124&DB=EPODOC&CC=US&NR=2002008347A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020124&DB=EPODOC&CC=US&NR=2002008347A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKASAWA EIJI</creatorcontrib><creatorcontrib>IMAMURA TAKAO</creatorcontrib><creatorcontrib>TAKIDA NORIO</creatorcontrib><creatorcontrib>SHOJI NAOKI</creatorcontrib><creatorcontrib>NATORI JUN</creatorcontrib><creatorcontrib>NAKAGOMI HIROSHI</creatorcontrib><creatorcontrib>IINO SEIJI</creatorcontrib><title>Automatic document feeder and image reader</title><description>The invention provides an image reader provided with an automatic document feeder which has a switchback path and can perform a both-faces processing operation, and which makes it possible to simplify the control of a switchback operation and handle a long-sized document sheet without making the diameter of a feed roller large and making the switchback path unnecessarily long. An automatic document feeder of the invention comprises a feed path a, b for feeding a document sheet drawn out from a paper feed stacker to an image reading portion facing a feed roller 5, a switchback path c for making a document sheet which has been processed at the image reading portion X switchback, a pair of switchback rollers 25 which are provided so as to make a document sheet switchback in the switchback path and are able to turn forward and backward, and a paper discharge path d for discharging a document sheet being in the switchback path c onto a paper discharge stacker 4. Here, the switchback path c is provided in a casing below the paper discharge stacker and the casing has an opening 1 p formed in it so that the fore end of a document sheet guided into the switchback path projects from the casing.Further, the pair of switchback rollers are disposed at the downstream side in the switchback path c so that the fore end and the rear end of a document made to switchback do not overlap each other through the feed roller 5.</description><subject>CINEMATOGRAPHY</subject><subject>CONVEYING</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL</subject><subject>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>PACKING</subject><subject>PERFORMING OPERATIONS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><subject>STORING</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNByLC3Jz00syUxWSMlPLs1NzStRSEtNTUktUkjMS1HIzE1MT1UoSk0ECvAwsKYl5hSn8kJpbgZlN9cQZw_d1IL8-NTigsTk1LzUkvjQYCMDAyCyMDYxdzQ0Jk4VAL93KbM</recordid><startdate>20020124</startdate><enddate>20020124</enddate><creator>FUKASAWA EIJI</creator><creator>IMAMURA TAKAO</creator><creator>TAKIDA NORIO</creator><creator>SHOJI NAOKI</creator><creator>NATORI JUN</creator><creator>NAKAGOMI HIROSHI</creator><creator>IINO SEIJI</creator><scope>EVB</scope></search><sort><creationdate>20020124</creationdate><title>Automatic document feeder and image reader</title><author>FUKASAWA EIJI ; IMAMURA TAKAO ; TAKIDA NORIO ; SHOJI NAOKI ; NATORI JUN ; NAKAGOMI HIROSHI ; IINO SEIJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2002008347A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>CINEMATOGRAPHY</topic><topic>CONVEYING</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL</topic><topic>HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>PACKING</topic><topic>PERFORMING OPERATIONS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><topic>STORING</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>FUKASAWA EIJI</creatorcontrib><creatorcontrib>IMAMURA TAKAO</creatorcontrib><creatorcontrib>TAKIDA NORIO</creatorcontrib><creatorcontrib>SHOJI NAOKI</creatorcontrib><creatorcontrib>NATORI JUN</creatorcontrib><creatorcontrib>NAKAGOMI HIROSHI</creatorcontrib><creatorcontrib>IINO SEIJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUKASAWA EIJI</au><au>IMAMURA TAKAO</au><au>TAKIDA NORIO</au><au>SHOJI NAOKI</au><au>NATORI JUN</au><au>NAKAGOMI HIROSHI</au><au>IINO SEIJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automatic document feeder and image reader</title><date>2002-01-24</date><risdate>2002</risdate><abstract>The invention provides an image reader provided with an automatic document feeder which has a switchback path and can perform a both-faces processing operation, and which makes it possible to simplify the control of a switchback operation and handle a long-sized document sheet without making the diameter of a feed roller large and making the switchback path unnecessarily long. An automatic document feeder of the invention comprises a feed path a, b for feeding a document sheet drawn out from a paper feed stacker to an image reading portion facing a feed roller 5, a switchback path c for making a document sheet which has been processed at the image reading portion X switchback, a pair of switchback rollers 25 which are provided so as to make a document sheet switchback in the switchback path and are able to turn forward and backward, and a paper discharge path d for discharging a document sheet being in the switchback path c onto a paper discharge stacker 4. Here, the switchback path c is provided in a casing below the paper discharge stacker and the casing has an opening 1 p formed in it so that the fore end of a document sheet guided into the switchback path projects from the casing.Further, the pair of switchback rollers are disposed at the downstream side in the switchback path c so that the fore end and the rear end of a document made to switchback do not overlap each other through the feed roller 5.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US2002008347A1 |
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| subjects | CINEMATOGRAPHY CONVEYING ELECTROGRAPHY ELECTROPHOTOGRAPHY HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES HOLOGRAPHY MAGNETOGRAPHY PACKING PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS STORING TRANSPORTING |
| title | Automatic document feeder and image reader |
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