EP 1199274 A2 20020424 - Sheet feed roller
Title (en)
Sheet feed roller
Title (de)
Bogenzuführrolle
Title (fr)
Rouleau d'alimentation en papier
Publication
Application
Priority
JP 2000314668 A 20001016
Abstract (en)
A less expensive sheet feed roller of a non-ground surface type for use as a pickup roller or a sheet feeding roller in a sheet feeder. The sheed heed roller is virtually free from adhesion of paper dust during use thereby providing an excellent friction coefficient sustainability. The sheet feed roller comprises a roller body and a shaft extending axially through the roller body, the roller body having a textured roller surface comprising a multiplicity of is land portions (10) and a sea portion (11) recessed from the island portions, the island portions and the sea portion each having a multiplicity of fine projections (12). The ratio S1/S2 of the total area S1 of the island portions to the area S2 of the sea portion preferably is 0.25 to 0.70. The fine projections preferably each have a height of 3 to 25 mu m. <IMAGE>
IPC 1-7
IPC 8 full level
B65H 3/06 (2006.01); B65H 27/00 (2006.01)
CPC (source: EP US)
B65H 27/00 (2013.01 - EP US); B65H 2401/10 (2013.01 - EP US); B65H 2404/1115 (2013.01 - EP US)
Citation (applicant)
- JP H05221059 A 19930831 - SEIKO EPSON CORP
- JP H08108591 A 19960430 - SUMITOMO RUBBER IND
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1199274 A2 20020424; EP 1199274 A3 20040428; JP 2002120944 A 20020423; JP 3744337 B2 20060208; US 2002115545 A1 20020822
DOCDB simple family (application)
EP 01124694 A 20011016; JP 2000314668 A 20001016; US 97756801 A 20011016