Electric lamp with a holding frame for a lamp filament

Details Electric lamp with a holding frame for a lamp filament Electric lamp with a holding frame for a lamp filament

1992-05-22

1994-11-22

Yusko, Donald J.

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

313273, 313274, 313278, 313279, H01K 124

Patent

active

053672208

ABSTRACT:
To permit ready insertion of a holding frame for a filament into an essentially tubular bulb, particularly a halogen incandescent lamp bulb made of quartz glass or hard glass, the frame has two legs extending along the wall of the bulb, connected by a holding portion to hold the filament at the end remote from the current supply leads to the filament, one of the legs of the frame is shorter than the other, for example only about one-third the length of the bulb. The longer leg of the frame can be pinch-sealed in a pinch seal closing off the bulb. The holding portion, which is intermediate the two legs, is preferably U-shaped to form a hook into which the filament can be hooked; or, particularly if the legs of the U are close together, about which the filament can be wound.

REFERENCES:
patent: 3237045 (1966-02-01), Volzer et al.
patent: 3375393 (1968-03-01), Morgan
patent: 3696265 (1972-10-01), Martin et al.
patent: 3840953 (1974-10-01), Martin
patent: 4812710 (1989-03-01), Klan et al.
patent: 4876482 (1989-10-01), Stadler
patent: 5146134 (1992-09-01), Stadler et al.
Soviet Inventions Illustrated, Section E1, Week 8514, 15 May 1985, Derwent ublications Ltd., London, Great Britain.

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