Metal Filament Lamps having Filament Carriers Arranged Elastically.

摘要

350. Krause, O. July 7, 1909, [Convention date]. Filaments, supports for; leading-in wires.- A tube d carrying the whole of the filaments surrounds a central stem, to which it is connected by a single flat coiled spring c arranged at or near its centre of gravity, and is anchored to the lamp-foot or the adjacent part of the stem by other springs c, which may be the leading-in wires. Specification 22,458/09 is referred to.