Compact type fluorescent lamp device having crooked arc path

Details Compact type fluorescent lamp device having crooked arc path Compact type fluorescent lamp device having crooked arc path

1992-08-10

1993-10-12

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313318, 313634, H01J 548

Patent

active

052528901

ABSTRACT:
Opposite ends of the bent arc bulb of a compact type fluorescent lamp having a relatively long crooked arc path are loosely supported by the base through holes, respectively. Each hole has an outer distance formed between the outer side surface of the end portion of the arc bulb and the edge of the hole greater than the inner distance defined between the inner side surface of the end portion of the arc bulb and the edge of the hole when the lamp is not operated. Each outer distance allows the outward movement of the corresponding end portions of the arc bulb over a variable moving distance under the influence of heat when the lamp is operated.

REFERENCES:
patent: 4599536 (1986-07-01), Steeger et al.
patent: 4694215 (1987-09-01), Hofmann
patent: 4803401 (1989-02-01), Matsuno et al.

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