High-pressure sodium lamp spring clip cross piece for electrode

Details High-pressure sodium lamp spring clip cross piece for electrode High-pressure sodium lamp spring clip cross piece for electrode

1983-02-16

1985-08-27

Ramsey, Kenneth J.

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

445 26, 445 29, H01J 940

Patent

active

045380910

ABSTRACT:
A method of assembling the arc tube of a high-pressure sodium lamp is disclosed that comprises using a spring clip to engage the lead wire proximate the end plug on the side opposite the electrode coil assembly. The electrode coil assembly is thereby centered relative to the end plug and the three ends of the clip provide planar support of the end plug/electrode on the end of the arc tube. The clip is formed by bending a refractory metal wire 180.degree. about the midpoint, bending the ends of the legs away from each other while maintaining co-planar geometry, and providing an indentation for engaging the lead wire.

REFERENCES:
patent: 2403666 (1946-07-01), Lubetsky
patent: 2511164 (1950-06-01), Koch
patent: 3992642 (1976-11-01), McVey et al.
patent: 4034252 (1977-07-01), McVey

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