Electrode support for gas arc welding torch having coaxial visio

Details Electrode support for gas arc welding torch having coaxial visio Electrode support for gas arc welding torch having coaxial visio

1986-04-22

1987-02-17

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 75, 21913001, B23K 910

Patent

active

046441310

ABSTRACT:
An improved electrode mounting structure for a gas tungsten arc welding torch having a coaxial imaging system. The electrode mounting structure includes a support having a central hub and a plurality of spokes which extend from the hub generally radially with respect to the axis of the torch into supporting engagement with the interior walls of the torch. The spaces between the spokes are optical passages for transmission of light to form the image. A tubular collet holder is threadedly engaged at its upper end to the hub and extends downwardly toward the open end of the torch. The collet holder has an inwardly tapering constriction near its lower end. An electrode-retaining, tubular collet is mounted within the collet holder and has a longitudinally split and tapered end seating against the tapered constriction. A spring seats against the upper end of the collet and forces the split end against the tapered constriction to wedge the split end radially inwardly to grip the electrode within the collet.

REFERENCES:
patent: 2784294 (1957-03-01), Gravert
patent: 4450339 (1984-05-01), Corby, Jr.
patent: 4488032 (1984-12-01), Case, Jr.
patent: 4491719 (1985-01-01), Corby, Jr.
patent: 4543461 (1985-09-01), Hill
patent: 4581518 (1986-04-01), Takahashi et al.

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