Patent ID: 6583542
Filing Date: 2003-06-24
Classification: F21V,H01K,H01R,H05K

Abstract:
A device for mounting a light source comprising:an electric lamp unit composed of a baseless electric lamp and a base member, and a mounting unit having a cavity for receiving the base member of the electric lamp unit; wherein said baseless electric lamp comprises a light emission filament, a pair of lead wires for supporting the both ends of the filament at their heads and a glass bulb in which the light emission filament and a part of the lead wires are sealed, said base member comprises a cylindrical body having a cavity for receiving a lower part of said baseless electric lamp and supporting said pair of lead wires led out of the baseless electric lamp on its outer surface, said mounting unit comprises a pair of conductive contact members on an inner surface of said cavity, which are connected to connection terminals on a printed circuit board at their lower ends, said lead wires led out of said baseless electric lamp along said outer surface of said base member are made in a sliding contact with said conductive contact members when said electric lamp unit is fitted into said mounting unit, and said electric lamp unit is fitted into said mounting unit in a removable fashion.