Arc discharge lamp having cementless right-angle base members

Details Arc discharge lamp having cementless right-angle base members Arc discharge lamp having cementless right-angle base members

1992-03-20

1994-03-22

Yusko, Donald J.

Electric lamp and discharge devices

With envelope

Having base and connector

313493, 439612, 439619, 439702, H01J 548, H01J 550

Patent

active

052967808

ABSTRACT:
An arc discharge lamp including a two-piece base member having a main housing and a cap disposed at opposite ends of the lamp envelope. The main housing of the base member includes elongated slots to enable the housing to expand outwardly in response to positioning of the press seal. At least one internally-protruding segment formed in the housing is positioned within a detent formed in the press seal region of the lamp. Following positioning of the press seal, the cap is secured to the main housing. The base member is thus secured to the ends of the lamp envelope without the need for basing cements or the like.

REFERENCES:
patent: 2716738 (1955-08-01), Piotey
patent: 2716739 (1955-08-01), Lemmers
patent: 4603278 (1986-07-01), Devir et al.
patent: 4752710 (1988-06-01), Devir et al.
patent: 4906891 (1990-03-01), Takagi et al.
patent: 5116272 (1992-05-01), Blaisdell et al.
patent: 5142191 (1992-08-01), Blaisdell et al.
patent: 5210461 (1993-05-01), Pai et al.

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