Air assisted hand held welding tool

Details Air assisted hand held welding tool Air assisted hand held welding tool

1984-09-04

1985-12-17

Albritton, C. L.

Electric heating

Metal heating

For bonding with pressure

219 89, 219234, 219 85F, B23K 1110, B23K 1128

Patent

active

045594376

ABSTRACT:
An air assisted hand welding tool for clamping and welding conductors together. The tool includes a handle formed of pivotally connected lever-like members. An air passage is connected to an air pressure source provided in the handle of the hand tool. A valve is manually engaged by the operator (following tactile closing of the electrodes on the conductors) to open the air pressure to an expansion chamber formed between the members. As the chamber pressure is increased, the members are urged to a consistent clamping force thereby to assist the operators normal hand clamping function. A switch in the expansion chamber is connected to the welding circuit and is activated following chamber expansion to initiate welding. The entire welding operation including air assist and welding current initiation are all accomplished by a simple closing motion of the operators hand.

REFERENCES:
patent: 2839665 (1958-06-01), Wolfbauer
patent: 2882386 (1959-04-01), Hermanny
patent: 3396261 (1968-08-01), Kirsch
patent: 3752017 (1973-08-01), Lloyd et al.

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