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:
Jun. 15, 1993
Filed:
Sep. 24, 1992
Keigo Tange, Okazaki, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A cleaning device for removing substances remaining on a rotatable image holding member in an image forming apparatus, which includes: a cleaning roller rotatably supported in a state contacting the image holding member so as to remove the substances remaining on a surface of the image holding member, and a drive change-over device arranged to change-over driving so as to rotate the cleaning roller following rotation of the image holding member during a period in which image formation is effected by the image holding member, and to impart a speed difference to the cleaning roller with respect to the image holding member during other periods in which the image formation is not effected.