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:
Sep. 25, 2001
Filed:
Dec. 01, 1998
Kunimasa Mochiduki, Shizuoka, JP;
Masato Harazaki, Shizuoka, JP;
Yasuyoshi Numajiri, Shizuoka, JP;
Takeshi Fukuyo, Shizuoka, JP;
Yoshitaka Ohshima, Shizuoka, JP;
Shinichi Irisawa, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
An electric discharge lamp apparatus which incorporates an arc tube,structured such that an enclosed glass bulb,of an arc tube body,is enclosed in an ultraviolet-ray shielding globe,and having a front end which is supported by a metal lead support,forwards extending from an insulating plug,provided with a focusing ring,and made of synthetic resin and which has a structure that a rear end of the globe,of the arc tube,is supported by a metal support member,secured to the insulating plug,wherein the metal support member,is constituted by a metal base plate,secured to the insulating plug,and forming a reference plane f,running parallel to the focusing ring,on the front surface of the insulating plug and a metal vertically-holding member,(a slide plate,and an arc-tube holding band,) integrally joined to the metal base plate,and arranged to vertically hold an electrically-discharge axis L of the held arc tube,with respect to reference plane f,of the metal base plate,so that the electrically-discharge axis L of the arc tube,is accurately brought to a predetermined required position with respect to the focusing ring