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1. 发明授权

US5250872A Discharge lamp unit having improved discharge tube mount 失效
标题翻译：放电灯单元具有改进的放电管安装
公开(公告)号：US5250872A
公开(公告)日：1993-10-05
申请号：US730716
申请日：1991-07-16
申请人： Yukio Wakimizu , Hirohiko Ohshio , Yonemasa Yoshida , Yasuo Hirozumi , Masami Handa
发明人： Yukio Wakimizu , Hirohiko Ohshio , Yonemasa Yoshida , Yasuo Hirozumi , Masami Handa
IPC分类号： H01J5/60 , H01J9/20 , H01J61/40 , H01J61/00 , H01J5/54 , H01J61/34
CPC分类号： H01J5/60 , H01J61/40 , H01J9/20
摘要： In a discharge lamp unit in which a discharge lamp (10), which is formed by pinch-sealing (13a, 13b) a glass tube in such a manner as to define a closed glass ball (12) forming an electric discharge region substantially at the middle of the ball and in which discharge electrodes (15a, 15b) are arranged confronted with each other, is supported at both ends by metal supports (30, 40) which are welded to a short lead support (22) and a long lead support (24) protruding from an insulating base (20) in such a manner that the lead supports (22, 24) are parallel to one another with a predetermined distance therebetween and are parallel to the discharge axis of the lamp. The metal support (30) which supports the rear end portion of the discharge lamp has a discharge lamp holding portion (34) which is arcuate, and the part (14) of the rear end portion of the discharge lamp which is held by the discharge lamp holding portion of the metal support is circular in cross section. Thus, the metal supports which support the discharge lamp can be manufactured readily, and the discharge lamp is high in durability and can be easily adjusted in position.
摘要翻译：在放电灯单元中，其中通过以玻璃管夹紧（13a，13b）形成放电灯（10），以便形成基本上形成放电区域的封闭玻璃球（12）放电电极（15a，15b）彼此面对放置的放电电极（15a，15b）的中间由金属支撑件（30,40）支撑，金属支撑件（30,40）被焊接到短引线支架（22）上，并且长引线支撑体（24）以绝缘基座（20）突出的方式使得引线支撑件（22,24）彼此平行，并且与灯的放电轴线平行。支撑放电灯的后端部的金属支架（30）具有弓形的放电灯保持部（34），放电灯的后端部的由放电灯保持的部分（14）金属支架的灯保持部分的横截面为圆形。因此，可以容易地制造支撑放电灯的金属支撑体，并且放电灯的耐久性高，并且可以容易地调整位置。

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