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:
Jul. 22, 2014
Filed:
Mar. 04, 2013
Nobuaki Kubo, Tokyo, JP;
Toshiaki Tokita, Kanagawa, JP;
Kohji Sakai, Tokyo, JP;
Naoto Watanabe, Kanagawa, JP;
Tomohiro Nakajima, Kanagawa, JP;
Yorichika Ishiyama, Kanagawa, JP;
Nobuaki Kubo, Tokyo, JP;
Toshiaki Tokita, Kanagawa, JP;
Kohji Sakai, Tokyo, JP;
Naoto Watanabe, Kanagawa, JP;
Tomohiro Nakajima, Kanagawa, JP;
Yorichika Ishiyama, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An exposure device to expose an exposure element includes a light source; an optical system to guide light emitted from the light source to the exposure element; and an optical housing, configured with a plurality of plates, to support the light source and the optical system. At least one of the plurality of plates configuring the optical housing is formed with a plurality of grooves on each of a first face and a second face with a given pitch on the one of the plurality of plates, the first face and the second face being opposite faces with each other. The plurality of grooves are arranged by shifting the center of each of grooves formed on the first face and the center of each of grooves formed on the second face.