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:
Nov. 28, 2017
Filed:
Oct. 03, 2013
Koito Manufacturing Co., Ltd., Tokyo, JP;
Tetsuaki Inaba, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A lamp includes a projection lens, a light source disposed behind the projection lens, a lens holder that holds the projection lens, and a lamp body that holds the lens holder while accommodating the light source. In particular, a front surface of the projection lens includes a central region configured by a convex curved surface and a peripheral region around the central region which is configured by an annular concave curved surface, the lens holder is formed in a cylindrical shape and an annular flange portion extending towards an inner peripheral side is formed at a front end of the lens holder, an annular step portion is formed at an outer peripheral edge of the peripheral region on the front surface of the projection lens, and the projection lens is fixed to the annular flange portion of the lens holder at a step surface of the annular step portion.