Electric heating – Metal heating – For bonding with pressure
Patent
1997-01-27
1998-10-06
Berhane, Adolf
Electric heating
Metal heating
For bonding with pressure
B23K 1111
Patent
active
058180079
ABSTRACT:
There can be provided a spot welding gun in which a gun arm can be detachably attached to a gun main body, capable of conducting welding operation without increase in size and with good precision. Coupling portions 7 used to attach/detach the gun arm 9 having the fixed electrode 13 to/from the gun main body 1 having the pressure electrode 11 comprise an insertion recess portion which is formed on the gun main body 1 side to be tapered along the direction perpendicular to pressure direction of the pressure electrode 11, and an insertion portion which is formed on the gun arm 9 side to be tapered along the direction perpendicular to the pressure direction for easy insertion into the insertion recess portion.
REFERENCES:
patent: 4550236 (1985-10-01), Nakadate et al.
patent: 4855560 (1989-08-01), Sonoda et al.
patent: 4910373 (1990-03-01), Fuse
patent: 5091623 (1992-02-01), Obara et al.
patent: 5628923 (1997-05-01), Nishiwaki
Berhane Adolf
Nissan Mortor Co., Ltd.
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