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:
Aug. 06, 2013
Filed:
Jan. 03, 2008
Tsuyoshi Imamura, Sagamihara, JP;
Yoshiyuki Takano, Hachioji, JP;
Kyohta Koetsuka, Fujisawa, JP;
Tadaaki Hattori, Hadano, JP;
Noriyuki Kamiya, Yamato, JP;
Hiroya Abe, Yokohama, JP;
Mieko Terashima, Isehara, JP;
Masayuki Ohsawa, Atsugi, JP;
Takashi Innami, Atsugi, JP;
Tsuyoshi Imamura, Sagamihara, JP;
Yoshiyuki Takano, Hachioji, JP;
Kyohta Koetsuka, Fujisawa, JP;
Tadaaki Hattori, Hadano, JP;
Noriyuki Kamiya, Yamato, JP;
Hiroya Abe, Yokohama, JP;
Mieko Terashima, Isehara, JP;
Masayuki Ohsawa, Atsugi, JP;
Takashi Innami, Atsugi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A magnetic roller includes a solid-core roller having magnetic anisotropy in a direction orthogonal to a central axis thereof. The solid-core roller includes a body part, and shaft parts disposed on both ends of the body part, a concave groove provided in an outer circumference face of the body part to extend in an axial direction, and a magnetic block disposed in the concave groove, the magnetic block having a direction of magnetic anisotropy substantially orthogonal to a direction of the magnetic anisotropy of the magnetic roller.