Focusable lamp capsule in a cementless base

Details Focusable lamp capsule in a cementless base Focusable lamp capsule in a cementless base

1993-07-15

1995-05-30

O'Shea, Sandra L.

Electric lamp and discharge devices

With envelope

Having base and connector

313 51, 439611, H01J 548

Patent

active

054204747

ABSTRACT:
A focusable lamp having lamp capsule, coupler, and a base is disclosed. The capsule is formed with rigid leads. The capsule and coupler are further formed to allow capsule to be held in the coupler and still focused with respect to the coupler. The coupler also includes an internally projecting tab that is sufficiently near one lead that despite movement of the lead during focusing, the gap between the lead and tab may be bridged by solder to thereby electrically and mechanically fix the lamp capsule to the coupler. The coupler and second lead are further aligned and connected to a base. No cement is needed to position the lamp capsule.

REFERENCES:
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patent: 4295076 (1981-10-01), Eckhardt
patent: 4567397 (1986-01-01), Wilhelm
patent: 4849670 (1989-07-01), Hellwig et al.
patent: 5039905 (1991-08-01), Essers et al.
patent: 5039909 (1991-08-01), Kiesling et al.
patent: 5043624 (1991-08-01), Hirozumi et al.
patent: 5150008 (1992-09-01), Lee
patent: 5291092 (1994-03-01), Coushaine
patent: 5308273 (1994-05-01), Meade et al.

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