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:
Apr. 29, 2014
Filed:
Jun. 15, 2012
Norio Kudo, Kanagawa, JP;
Shinichi Kawahara, Tokyo, JP;
Nobuo Kuwabara, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Akio Kosuge, Kanagawa, JP;
Daisuke Tomita, Kanagawa, JP;
Makoto Yasuda, Kanagawa, JP;
Norio Kudo, Kanagawa, JP;
Shinichi Kawahara, Tokyo, JP;
Nobuo Kuwabara, Kanagawa, JP;
Takeshi Shintani, Kanagawa, JP;
Akio Kosuge, Kanagawa, JP;
Daisuke Tomita, Kanagawa, JP;
Makoto Yasuda, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A lubricant supplying device includes a lubricant supplying roller configured to rotate in a certain direction and makes a sliding contact with an image carrier on which a toner image is carried; a solid lubricant arranged to slide in contact with the lubricant supplying roller; a changing unit configured to change a revolution of the lubricant supplying roller to adjust an amount of the solid lubricant supplied onto the image carrier; and a calculation unit configured to obtain a product life or total consumption of the solid lubricant from a total running distance or total operating time of the image carrier or the lubricant supplying roller, the product life or the total consumption of the solid lubricant being corrected based on the amount of the solid lubricant supplied onto the image carrier.