Patent
1977-06-20
1979-01-02
Grieb, William H.
G09B 1924
Patent
active
041320140
ABSTRACT:
A source of light is located within the movable target of the welding simulator. The electrode holder mounts a welding rod with a reflective surface. Light from the light source is reflected by the reflective surface onto a spot designator surface. The spot designator surface is white so that the light is re-reflected as a spot to provide a visual cue as to the proper spacial relationship between the welding rod and target.
REFERENCES:
patent: 1286529 (1918-12-01), Cave
patent: 3867769 (1975-02-01), Schow et al.
patent: 4041615 (1977-08-01), Whitehill
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