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. 20, 2013
Filed:
May. 24, 2011
Yuji Sugiyama, Shizuoka, JP;
Yuji Sugiyama, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
An optical unit used in a vehicle lighting device, includes a plurality of first shades which are disposed adjacent to each other in a vehicle width direction and are separated by a specific gap, wherein at least one of the first shades is movable between an advanced position which blocks a part of light emitted from a light source and a retreated position which does not block the light, a second shade, which is engaged with an end portion in the vehicle width direction of the at least one of the first shades, and driven by the first shade to move between the advanced position and the retreated position, and covers the gap between the adjacent first shades, and a movement mechanism which is connected to the at least one first shade and moves the first shade to one of the advanced position and the retreated position.