Light shield for welding

Details Light shield for welding Light shield for welding

2006-04-18

2006-04-18

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Glare or unwanted light reduction

C002S008600, C002S011000, C219S147000

Reexamination Certificate

active

07029136

ABSTRACT:
A light shield for eye protection in the welding process comprises a holding unit, a base plate, a filter plate and a universal joint. The filter plate, in conjunction with the base plate, is mounted on a universal joint by which the tilt angle thereof with respect to the holding unit can be free adjusted. Since the filter plate is applied closely to the welding target, the area thereof is small, significantly reducing the weight of the light shield. The base plate further includes a lamp for illuminating the welding target, so that welding can be conveniently done in dark places. The holding unit is for retaining a hand of a user, leaving the fingers of the hand for handling other parts.

REFERENCES:
patent: 1664804 (1928-04-01), Allen
patent: 1759317 (1930-05-01), Malcom
patent: 2045802 (1936-06-01), Walther
patent: 2210370 (1940-08-01), Herradora
patent: 2962721 (1960-12-01), Espy
patent: 3908197 (1975-09-01), Griffin
patent: 4161643 (1979-07-01), Martin et al.
patent: 4332004 (1982-05-01), Slaughter
patent: 5241154 (1993-08-01), Estrate
patent: 29911660 (1999-09-01), None

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