Patent ID: 7063452

Claim:
An assembly of a flash-lamp string system comprising: a main power-supply cable to be connected in parallel with two ends of a plurality of flash-lamp strings; a plurality of regular flash-lamp strings made of a plurality of lamp assemblies connected in series, an outer shape of each said lamp assembly being the same as that of a lamp assembly in a winkle flash-lamp string; each said lamp assembly including: (a) a bulb assembly made of a bulb and a bulb socket; a center of said bulb socket having a bulb-plugging hole, and having a round upper body, and a lower body in a rectangular shape; said bulb being a regular bulb, which having two copper wires to pass through holes in a lower portion of said regular bulb socket, and then bent to contact with two flat surfaces respectively; (b) a lamp socket furnished with a cylindrical cavity in an upper center thereof, and a lower portion of said cylindrical cavity having a rectangular groove; both sides of said rectangular groove having two copper connector grooves respectively, which are used for mounting two copper connectors mounted on two power-supply wires respectively; a plurality of winkle flash-lamp strings made of a plurality of lamp assemblies connected in series, with an outer shape of each said lamp assembly being the same as that of said regular flash-lamp string; each said lamp assembly including: (a) a bulb assembly made of a bulb and a bulb socket; a center of said bulb socket having a bulb-plugging hole, and having a rectangular lower body, and a larger rectangular upper body; both sides of said bulb socket furnished with two flanges respectively so as to have said upper body of said bulb socket not plugged in a lamp socket of a regular bulb assembly; said bulb being designed as a winkle bulb, of which two copper wires pass through two holes on a lower portion of a regular bulb assembly and then closely contact on two flat surfaces respectively; (b) a lamp socket furnished with a cylindrical cavity in an upper center thereof, and two vertical surfaces and two mounting grooves on both sides of said cylindrical cavity for receiving said two flanges respectively; said cylindrical cavity used to prevent a bulb assembly of a regular flash-lamp string from plugging in; a lower portion of said cylindrical cavity furnished with a rectangular groove which has two copper connector grooves on both sides thereof for mounting two copper connectors on two ends of two power-supply wires respectively.