LAMP Russian patent published in 2021 - IPC H01K9/00 H01R33/22 F21V19/00 

FIELD: lighting.

SUBSTANCE: invention relates to lighting equipment, namely to light sources, and can be used as a source of emergency illumination, illumination of hazardous production plants and military facilities, providing uninterrupted operation in the event of failure of an adjacent lamp. The lamp comprises a main threaded base for an electric socket with a light-permeable bulb with a glass holder with electrodes and a luminous element installed therein, and an additional threaded base with an additional light-permeable bulb with an additional glass holder with additional electrodes and an additional luminous element, interconnected. The main and additional bases are made in the form of semi-cylinders, the thread of the main and additional bases is made on the rounded part of the semi-cylinders forming a single-threaded cylinder installable in the thread of a single electric socket, when interconnected by flat sections of the semi-cylinders.

EFFECT: increase in the operating reliability.

1 cl, 3 dwg