SHEET CARRYING DEVICE AND IMAGE FORMING DEVICE PROVIDED THEREWITH

PROBLEM TO BE SOLVED: To carry a sheet without a fold and mark (scratch) by a roller on the tip of a sheet. SOLUTION: This sheet carrying device 20 has carrying means 1, 2 for carrying the sheet and carrying rotary body couple 3, 4 positioning in the downstream of the sheet carrying direction of the...

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creator SHIMADA SHOZO
description PROBLEM TO BE SOLVED: To carry a sheet without a fold and mark (scratch) by a roller on the tip of a sheet. SOLUTION: This sheet carrying device 20 has carrying means 1, 2 for carrying the sheet and carrying rotary body couple 3, 4 positioning in the downstream of the sheet carrying direction of the carrying means. The sheet carrying speed of the carrying means 1, 2 is made to V1 (mm/sec), the periphery speed of the carrying rotary body couple 3, 4 is made to V2 (mm/sec) and when the tip of the sheet makes contact with the rotary body 4 of oneside of the carrying rotary body couple, a collision angle between the tangential line passing the contact part of the rotary body 4 and the tip is made to θ and the friction coefficient between the sheet and roller is made to μ. In case of μ=2 [(1/cosθ×V1)-430]/3 and in the case of 1.0
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SOLUTION: This sheet carrying device 20 has carrying means 1, 2 for carrying the sheet and carrying rotary body couple 3, 4 positioning in the downstream of the sheet carrying direction of the carrying means. The sheet carrying speed of the carrying means 1, 2 is made to V1 (mm/sec), the periphery speed of the carrying rotary body couple 3, 4 is made to V2 (mm/sec) and when the tip of the sheet makes contact with the rotary body 4 of oneside of the carrying rotary body couple, a collision angle between the tangential line passing the contact part of the rotary body 4 and the tip is made to θ and the friction coefficient between the sheet and roller is made to μ. In case of μ&lt;=0.5 of the friction coefficient of the rotary body, the relation of V2&gt;=2 [(1/cosθ×V1)-430]/3 and in the case of 1.0&lt;=μ&lt;=2.0 of the friction coefficient of the rotary body 4, the relation of V2&gt;=20 [(1/cosθ×V1)-205]/21 are set respectively so as to be satisfied.</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>2001</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=20010123&amp;DB=EPODOC&amp;CC=JP&amp;NR=2001019215A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20010123&amp;DB=EPODOC&amp;CC=JP&amp;NR=2001019215A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIMADA SHOZO</creatorcontrib><title>SHEET CARRYING DEVICE AND IMAGE FORMING DEVICE PROVIDED THEREWITH</title><description>PROBLEM TO BE SOLVED: To carry a sheet without a fold and mark (scratch) by a roller on the tip of a sheet. SOLUTION: This sheet carrying device 20 has carrying means 1, 2 for carrying the sheet and carrying rotary body couple 3, 4 positioning in the downstream of the sheet carrying direction of the carrying means. The sheet carrying speed of the carrying means 1, 2 is made to V1 (mm/sec), the periphery speed of the carrying rotary body couple 3, 4 is made to V2 (mm/sec) and when the tip of the sheet makes contact with the rotary body 4 of oneside of the carrying rotary body couple, a collision angle between the tangential line passing the contact part of the rotary body 4 and the tip is made to θ and the friction coefficient between the sheet and roller is made to μ. 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SOLUTION: This sheet carrying device 20 has carrying means 1, 2 for carrying the sheet and carrying rotary body couple 3, 4 positioning in the downstream of the sheet carrying direction of the carrying means. The sheet carrying speed of the carrying means 1, 2 is made to V1 (mm/sec), the periphery speed of the carrying rotary body couple 3, 4 is made to V2 (mm/sec) and when the tip of the sheet makes contact with the rotary body 4 of oneside of the carrying rotary body couple, a collision angle between the tangential line passing the contact part of the rotary body 4 and the tip is made to θ and the friction coefficient between the sheet and roller is made to μ. In case of μ&lt;=0.5 of the friction coefficient of the rotary body, the relation of V2&gt;=2 [(1/cosθ×V1)-430]/3 and in the case of 1.0&lt;=μ&lt;=2.0 of the friction coefficient of the rotary body 4, the relation of V2&gt;=20 [(1/cosθ×V1)-205]/21 are set respectively so as to be satisfied.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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recordid cdi_epo_espacenet_JP2001019215A
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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 SHEET CARRYING DEVICE AND IMAGE FORMING DEVICE PROVIDED THEREWITH
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