| 摘要 |
PROBLEM TO BE SOLVED: To provide a welding gun with which anyone can easily fit a washer to a sheet metal made of steel using a condenser type welder, to provide stud welding equipment, and to provide a method for repairing a sheet metal using the same. SOLUTION: The welding gun 1 is composed of: cylindrical casing 2 whose one end is opened; a grip 3 extensively provided from the upper part of the casing 2 toward the lower part; a movable body 4 installed in one end side of the hollow part in the casing 2; a washer attachment 5 fitted to one end side of the movable body 4; a spring 6 installed between the other end side of the movable body 4 and the bottom part 2b of the casing 2; and a switch 7 provided at the inside of the casing 2, and also, near the root of the grip 3. In the welding gun 1, at the time when the elastic force of the spring 6 reaches a prescribed value, a leaf spring 7b is pushed down by a pusher 7a, and electric current is fed from a condenser stud welder 10 to a washer W. COPYRIGHT: (C)2006,JPO&NCIPI
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