Sheet feeder device and image forming apparatus

Sheet feeder device and image forming apparatus

A sheet feeder device includes: a pickup roller that separates paper sheets placed on a manual feed tray from one another, and transfers a paper sheet; a pair of sheet feed rollers that include an upper feed roller and a lower feed roller, form a sheet nip portion when the upper feed roller and the...

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Hauptverfasser: Okubo, Takahiro, Shiokawa, Yasuo
Format: Patent
Sprache:eng
Schlagworte:
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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creator Okubo, Takahiro
Shiokawa, Yasuo
description A sheet feeder device includes: a pickup roller that separates paper sheets placed on a manual feed tray from one another, and transfers a paper sheet; a pair of sheet feed rollers that include an upper feed roller and a lower feed roller, form a sheet nip portion when the upper feed roller and the lower feed roller are pressed against each other, and transfer the paper sheet transferred from the pickup roller; a top edge vibrator that vibrates a top edge of the paper sheet, the top edge vibrator being located on an upstream side of the pair of sheet feed rollers; and a hardware processor that controls sheet feeding of the paper sheets placed on the manual feed tray, wherein, when a predetermined condition is satisfied in the sheet feeding, the hardware processor controls the top edge vibrator, to vibrate the top edge of the paper sheet.
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a top edge vibrator that vibrates a top edge of the paper sheet, the top edge vibrator being located on an upstream side of the pair of sheet feed rollers; and a hardware processor that controls sheet feeding of the paper sheets placed on the manual feed tray, wherein, when a predetermined condition is satisfied in the sheet feeding, the hardware processor controls the top edge vibrator, to vibrate the top edge of the paper sheet.</description><language>eng</language><subject>CONVEYING ; HANDLING THIN OR FILAMENTARY MATERIAL ; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES ; PACKING ; PERFORMING OPERATIONS ; STORING ; TRANSPORTING</subject><creationdate>2019</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&amp;date=20190226&amp;DB=EPODOC&amp;CC=US&amp;NR=10214372B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190226&amp;DB=EPODOC&amp;CC=US&amp;NR=10214372B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Okubo, Takahiro</creatorcontrib><creatorcontrib>Shiokawa, Yasuo</creatorcontrib><title>Sheet feeder device and image forming apparatus</title><description>A sheet feeder device includes: a pickup roller that separates paper sheets placed on a manual feed tray from one another, and transfers a paper sheet; 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subjects CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
title Sheet feeder device and image forming apparatus
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