| 摘要 |
A lamp base having upper and lower ends and a recess hole being provided on said upper end downward for receiving a lamp bulb which has two lead wires threading through out of the two sides of said lower end; and a lamp socket having upper and lower ends and an inner through hole to receive said lamp base, two power sources wires being inserted into said through hole from said lower end thereof to connect respectively with two contact plates fixed on the inner opposite walls of said through hole for making contact with said lead wires of said lamp bulb, characterized in that said lamp base has an end of a long friction stub connected on the lower end surface thereof, while another end of the friction stub is a free end, and in said through hole of said lamp socket, two inner side walls having no contact plates, form a recess on each said inner wall and these two recesses surrounding a space which has a sectional shape to be tightly fitted with that of said friction stub, when said friction stub plugs into the space surrounded by said two recesses, said another end of said friction stub can extend out of the lower end surface of said lamp socket.
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