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:
Sep. 06, 2005
Filed:
Mar. 12, 2003
Yohichiro Miyaguchi, Kanagawa-ken, JP;
Masanori Horike, Kanagawa-ken, JP;
Takeshi Takemoto, Kanagawa-ken, JP;
Yutaka Ebi, Kanagawa-ken, JP;
Toshiroh Higuchi, Kanagawa-ken, JP;
Yohichiro Miyaguchi, Kanagawa-ken, JP;
Masanori Horike, Kanagawa-ken, JP;
Takeshi Takemoto, Kanagawa-ken, JP;
Yutaka Ebi, Kanagawa-ken, JP;
Toshiroh Higuchi, Kanagawa-ken, JP;
Ricoh Company, LTD, Tokyo, JP;
Abstract
A classifier having a simple constitution for classifying powder with a high accuracy is provided. The classifier is provided with a transfer board having a plurality of electrodes for generating electric fields for transferring and hopping the powder by an electrostatic force. The classifier is further provided with an opposite roller generating an electric field for transporting and attaching the powder (toner) transferred and hopped on the transfer board to the opposite roller, which is opposite to the transfer board.