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:
Jul. 11, 1995
Filed:
Oct. 21, 1994
Masakazu Nagasawa, Shizuoka, JP;
Yukio Wakimizu, Shizuoka, JP;
Masami Handa, Shizuoka, JP;
Kunimasa Motiduki, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A discharge lamp apparatus in which an insulating base for supporting a lead support base end portion maintains its dielectric strength over long periods of use, and which is simple to assemble. A lead support acting as a current path is projectingly provided on a front surface of a synthetic-resin insulating base, which is a lamp holder, a front end portion of an arc tube, which is a discharge lamp body, is supported by the lead support, a rear end portion of the arc tube is fixedly supported in an engagement concave portion formed in the insulating base, and the lead support is covered with a ceramic insulating cylindrical body. In accordance with the invention, a base end portion of the insulating cylindrical body is integrated with the insulating base through insert molding.