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:
Mar. 03, 2015
Filed:
Jan. 26, 2010
Applicants:
Fumihide Sasaki, Matsumoto, JP;
Kazuyuki Iinuma, Azumino, JP;
Hiroshi Abe, Shiojiri, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G02B 7/02 (2006.01); G02B 13/16 (2006.01);
U.S. Cl.
CPC ...
G03B 21/14 (2013.01); G02B 7/026 (2013.01); G02B 13/16 (2013.01);
Abstract
A lens frame configured to hold a lens of an optical system of a projector comprising: a holder being formed along the periphery of the lens, holds the lens which is inserted by an elastic force of the frame main body, the holder includes a first holding portion configured to hold a peripheral end surface of the lens, and a second holding portion configured to hold a luminous flux incidence surface and luminous flux exit surface of the lens.