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. 30, 1992
Filed:
Aug. 15, 1991
Shinji Watanabe, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A projector type headlamp in which an extension is firmly and positively installed without the use of adhesive. The headlamp includes a lamp body, a front lens covering the front opening of the lamp body, an elliptical mirror arranged inside the lamp body, a light bulb disposed at the first focal point of the elliptical mirror, a condenser lens whose focal point is set substantially at the second focal point of the elliptical mirror, and an extension placed around the condenser lens. The extension includes an elastic engaging piece and a plurality of screw mounting pieces. The elastic engaging piece is fixedly engaged with an engaging member formed in the inner surface of the lamp body, and the screw mounting pieces are fixedly secured to fixing portions formed in the inner surface of the lamp body with screws.