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:
Jun. 15, 2010
Filed:
Sep. 23, 2008
Applicant:
Akinobu Seki, Kawaguchi, JP;
Inventor:
Akinobu Seki, Kawaguchi, JP;
Assignee:
Enplas Corporation, Saitama, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical unit is provided which includes gaps dRand dRin a radial direction that prevent an optical component from being affected by external stress during thermal expansion is formed between an outer circumferential surface of the optical component and an inner circumferential surface of a holder and gaps dand dthat prevent the optical component adjacent to a pressing component from being affected by external stress during thermal expansion and are formed between predetermined surfaces on the pressing component and the optical component adjacent to the pressing component opposing each other in an optical axis direction.