Electric heating – Metal heating – By arc
Patent
1977-08-04
1979-04-24
Kucia, Richard R.
Electric heating
Metal heating
By arc
219 60A, 219 69R, 21912433, B23K 3702
Patent
active
041513908
ABSTRACT:
A tool holder head, particularly for supporting a welding yoke or gun in a welding machine, enables the welding gun to be moved in three degrees of freedom. The head comprises a bushing rigidly mounted on a movable support member of the machine and three hollow shafts movably mounted one within the other in the bushing and each driven by a separate motor and connected by gear means to a tool support.
REFERENCES:
patent: 1728972 (1929-09-01), Krebs
patent: 2183219 (1939-12-01), Hollesen
patent: 2773968 (1956-12-01), Martelloitti
patent: 2987939 (1961-06-01), Waninger
patent: 3100832 (1963-08-01), Sosoka
patent: 3665148 (1972-05-01), Yasenchak
patent: 3806691 (1974-04-01), Roach
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