Bearing connector for rotary tool

Details Bearing connector for rotary tool Bearing connector for rotary tool

1987-03-23

1989-02-14

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 60A, 219 75, 439 17, B23K 924

Patent

active

048048178

ABSTRACT:
A tool having a rotating hollow electrode is provided power through a rotary electrical connection in the form of ball bearings and conductive lubricant, with a fixed hollow power supply fitting mounted in and insulated from a housing structure journaled in the bearings. Gas for welding is supplied through the hollow fitting and electrode which are in fluid communication.

REFERENCES:
patent: 3084243 (1963-04-01), Gotch
patent: 3123421 (1964-03-01), Phillips
patent: 3395263 (1968-07-01), Kazlauskas
patent: 3701072 (1972-10-01), Bjorn et al.
patent: 3740520 (1973-06-01), Daughenbaugh
patent: 3780257 (1973-12-01), Stevens
patent: 4047656 (1977-09-01), McCombs
patent: 4510372 (1985-04-01), Kobuck
patent: 4580028 (1986-04-01), Kobuck

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