Welding gun having equalizing function

Details Welding gun having equalizing function Welding gun having equalizing function

1990-05-25

1991-07-30

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

B23K 1110

Patent

active

050361759

ABSTRACT:
A welding gun comprises a base having a stopper at the tip end thereof and a vertical axis at the inside thereof, an arm having an electrode at the upper end thereof and a lower end slidably engaged with the vertical axis, cylinder integrated with the arm 1 and having a cylinder rod, a movable arm having an electrode at the tip end thereof and pivotally connected to the tip end of the cylinder rod at the rear end thereof by a pin, a link for pivotally connecting the arm with the movable arm at the middle portions thereof by pins, the link having an engaging portion at the lower end thereof extending toward the stopper and a spring provided in a space between the lower end of the vertical axis and the lower end of the arm. The arm, as opposing the movable arm, can be equalized with ease.

REFERENCES:
patent: 3299247 (1967-01-01), Waltonen
patent: 4410782 (1983-10-01), Konno et al.
patent: 4458131 (1984-07-01), Challenger
patent: 4531041 (1985-07-01), Larsson

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