Title: Automatic protective shade equipment on protective visors, protective helmets or protective goggles, particularly for fusion welding

Abstract: Automatically operable protective means, e.g. a helmet, for use by welders, has an eye shading means which is brought automatically into shading condition upon reception of light rays or ultrasonic vibrations by a transducer and electromagnetic operator. Provision is made for supplying cooling air to the electronic and electromagnetic devices and to the eye shade, and the shade may incorporate movable polarizing plates for adjustment of transparency.

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Inventors: Budmiger, Hermann (Seewen, CH)

Application Number: 452580
Filing Date: 1974-03-19
Publication_date: 1976-03-16
Assignee: UTP Arbeitsschutz AG (Rheinfelden, CH)
Primary Class(es): 2/8 2/432, 2/436, 219/147, 351/45, 351/49
Other Classes:
US Patent Ref:

2548230	Apr, 1951	Molyneux	2/8.
3095575	Jul, 1963	Radar	351/44.
3096430	Jul, 1963	Farr	2/8.
3159844	Dec, 1964	Habouch	2/8.
3238535	Mar, 1966	Richey	2/8.
3245315	Apr, 1966	Marks et al.	351/49.
3475765	Nov, 1969	Zeltmann	2/8.

Other Refs: 565,395

Nov, 1944	UK

Primary Examiner: Sacher, Paul A.
Assistant Examiner:
Attorney: Pollock; Elliott I.