High-pressure sodium lamp spring clip cross piece for electrode and end plug support
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United States of America Patent
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Aug 27, 1985
Grant Date -
N/A
app pub date -
Feb 16, 1983
filing date -
Feb 16, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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