B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/60
B23K 9/32 (2006.01) B23K 9/02 (2006.01) B23K 9/095 (2006.01)
Patent
CA 1230936
24 ABSTRACT OF THE DISCLOSURE 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 down- wardly to a sensing position outside the protective enclosure. During the welding operation, the sensing components and retracted back into the protective en- closure and staging doors, which are pivotally mount- ed on the bottom edge of the protective enclosure are closed so as Jo completely shield the sensing compo- nents from welding fumes and splatter. In addition, when the sensing assembly is in the retracted posi- tion within the protective housing, air under pres- sure 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.
485974
Oldham And Company
Unimation Inc.
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