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. 21, 2015
Filed:
Oct. 31, 2012
Naoyuki Ishikawa, Kanagawa, JP;
Masamichi Yamada, Kanagawa, JP;
Tetsuya Fujioka, Kanagawa, JP;
Yasutada Tsukioka, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
Naoyuki Ishikawa, Kanagawa, JP;
Masamichi Yamada, Kanagawa, JP;
Tetsuya Fujioka, Kanagawa, JP;
Yasutada Tsukioka, Kanagawa, JP;
Hideo Kanai, Tokyo, JP;
RICOH COMPANY, LIMITED, Tokyo, JP;
Abstract
An image projection apparatus includes a light source unit including a light source detachable from a main body, an image forming part to form an image with a light from the light source, a projection optical system to project the image, an openable cover to open and close an opening formed for attaching and detaching the light source unit to and from the main body, an abutting member on which the light source unit abuts when the light source unit is attached to the main body, and a pressing member to press the light source unit to the abutting member, in conjunction with a fix operation of the openable cover to the main body.