LAMP SIGNALLING DEVICE Russian patent published in 1995 - IPC

FIELD: lighting engineering. SUBSTANCE: lamp signalling device has body 1, in which following members are located: electric bulb cap free light source 2; current-conducting contacts 3, to which light source leads 4 are connected; additional resistor 5. Device also has transparent cap 6 with two bulges 7, that have holes 8 to set fastening members 9, and thickening gasket 10. Slit in panel 11 has form corresponding to dimensions and form of bulges 7 of transparent cap and hole 12 to place light source 2. Body 1 has projections 13 with grooves 14, dimensions and form of which correspond to bulges 7 of cap 6. Fastening member 9 is made in the form of self-threading screw or plastic one, rod of which is provided with spring-type sharp-angled bulge, peaks of which are directed in opposite direction of its setting in blind pits of bulges 7 on transparent cap 6, that is in direction of head. In the case bottom of each blind hole has tab, that spaces rod from inside. Body is also provided with spring-type clamps, located on sides of hole in body 1 to hold light source 2 and embracing light source by outer diameter. EFFECT: lamp signalling device is used in practice. 5 cl, 2 dwg