Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For filament
Patent
1985-01-29
1987-04-14
Chatmon, Saxfield
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
For filament
313278, H01J 188, H01J 1942, H01K 118
Patent
active
046581804
ABSTRACT:
The sections of the filament of a projection lamp are stretched over two sets of supports anchored in glass beams which are fixed on the rigid current supply conductors to form a frame. The supports each consist of a wire having a hooked end which engages the filament between a respective pair of adjacent sections. The supports of at least one set each have an end portion extending transverse to the main link of the support. Each end portion is located at the same given distance from the bend of the hook, and preferably extends from a free end of the hook. This permits each section to be under the same tension.
REFERENCES:
patent: 3543962 (1970-12-01), Peterson
patent: 3870920 (1975-03-01), DeFraeye et al.
patent: 4023060 (1977-05-01), Pike et al.
patent: 4145630 (1979-03-01), DeCaro et al.
patent: 4367428 (1983-01-01), Notelteirs et al.
Chatmon Saxfield
Treacy David R.
U.S. Philips Corporation
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