Capped electric lamp comprising a metal sleeve having a corner depression to engage an associated recess in an insulator body
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United States of America Patent
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-
Dec 22, 1987
Issued Date -
N/A
app pub date -
Mar 5, 1987
filing date -
Aug 17, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In certain electric lamps, the lamp cap has a rectangular metal sleeve (10), which is fixed around the pinch (3) of the lamp vessel (1). The sleeve (10) also surrounds an insulator body (12), which immovably encloses a contact member (13). The contact member (13) is secured to a current supply conductor (4) of the lamp. In the lamp according to the invention, the insulator body (12) is immovably held in the sleeve (10) by depressions (16) in the corners (14) of said sleeve, which engage a respective recess in the insulator body (12).
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