The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 11, 2004
Filed:
Apr. 09, 2003
Applicant:
Inventors:
Akira Yuza, Shizuoka-ken, JP;
Kenichi Kobayashi, Shizuoka-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/500 ;
U.S. Cl.
CPC ...
G03G 1/500 ;
Abstract
The present invention relates to a sheet operative member contacting a sheet and conveying with frictional force the sheet or separating the sheet, the sheet operative member comprising a plurality of protrusions on an operative surface with the sheet. Each of the protrusions includes a standing portion standing up from the operative surface and a spherical portion disposed at a distal end of the standing portion.