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. 07, 2016
Filed:
Nov. 20, 2014
Tomohiko Saito, Kanagawa, JP;
Fumihito Itoh, Miyagi, JP;
Toshiya Sato, Kanagawa, JP;
Norio Kudoh, Kanagawa, JP;
Hiroyuki Uenishi, Kanagawa, JP;
Tomohiko Saito, Kanagawa, JP;
Fumihito Itoh, Miyagi, JP;
Toshiya Sato, Kanagawa, JP;
Norio Kudoh, Kanagawa, JP;
Hiroyuki Uenishi, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image forming apparatus includes an image bearer; a toner image forming unit to form a toner image on the image bearer; a transfer device to transfer the toner image from the image bearer onto a transfer medium; a cleaning device to remove untransferred toner from the image bearer; and a lubrication device including a solid lubricant, an applicator to apply lubricant scraped off from the solid lubricant to the image bearer while rotating, and an applicator driving device to rotate the applicator; and a controller to control the applicator driving device according to a predetermined variable to change a rotational frequency of the applicator during idle running of the image bearer.