PAIR OF CARRYING ROLLERS AND RECORDING DEVICE USING THE PAIR OF CARRYING ROLLERS

PROBLEM TO BE SOLVED: To provide a pair of carrying rollers and a recording device, having a simple and inexpensive configuration, capable of improving carrying accuracy of recording paper sheets and capable of preventing deterioration of the quality of recorded images cause by decline in carrying a...

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Bibliographische Detailangaben
1. Verfasser:	TSURUI NORIO
Format:	Patent
Sprache:	eng
Schlagworte:	CONVEYING CORRECTION OF TYPOGRAPHICAL ERRORS HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PACKING PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS STORING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a pair of carrying rollers and a recording device, having a simple and inexpensive configuration, capable of improving carrying accuracy of recording paper sheets and capable of preventing deterioration of the quality of recorded images cause by decline in carrying accuracy. SOLUTION: The pair of carrying rollers comprise a drive roller 10 and driven rollers 21 for carrying recording paper sheets via a recording part of the recording device. As a material quality of the surface layer of the driven roller 21, urethane elastomer which is a base material including 10% to 20% of a fine-grain resin material is used. As the fine-grain resin material, a grain material of acrylic resin or polyethylene resin with grain diameter of 10 μm to 20 μm is used. The surface friction coefficient of the surface layer of the driven roller 21 is set blow 0.2, and the surface roughness (Rz) of the surface layer is set below 20 μm. COPYRIGHT: (C)2008,JPO&INPIT