Electric heating – Metal heating – By arc
Patent
1984-10-17
1985-11-26
Shaw, Clifford C.
Electric heating
Metal heating
By arc
21913001, 219136, 901 42, 901 47, B23K 900
Patent
active
045556130
ABSTRACT:
A combined image sensing and welding torch hand is provided for programmable manipulator welding apparatus. During a sensing operation the sensing components emerge from a protective enclosure which surrounds the welding torch and move linearly downwardly to a sensing position outside the protective enclosure. During the welding operation, the sensing components are retracted back into the protective enclosure and staging doors, which are pivotally mounted on the bottom edge of the protective enclosure are closed so as to completely shield the sensing components from welding fumes and splatter. In addition, when the sensing assembly is in the retracted position within the protective housing, air under pressure is supplied to the interior of the enclosure to provide a purge during the welding cycle and prevent fumes from entering the enclosure and damaging the optical components of the sensing assembly.
REFERENCES:
patent: 4380696 (1983-04-01), Masaki
patent: 4417127 (1983-11-01), Nachev et al.
patent: 4491715 (1985-01-01), Voronin et al.
patent: 4491719 (1985-01-01), Corby, Jr.
patent: 4492847 (1985-01-01), Masaki et al.
Shaw Clifford C.
Unimation Inc.
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