Apparel – Guard or protector – For wearer's head
Patent
1982-11-19
1985-07-02
Nerbun, Peter
Apparel
Guard or protector
For wearer's head
A61F 906
Patent
active
045258767
ABSTRACT:
A welder's helmet including a helmet portion, a filter support portion, a filter portion and a filter actuating portion; the helmet portion including a shield section, a head band section connected to the shield section, a viewing opening in the shield section; the filter support portion being mounted adjacent to the viewing opening, the filter support portion including a first frame section disposed over the outside of the viewing opening, second and third frame sections disposed over the inside of the viewing opening, the second and third frame sections each including an opening therein adjacent to the shield viewing opening; the filter portion including a filter member slidably positioned between the second and third frame sections and movable from a position between the second and third frame section openings to a position below same; the filter actuating portion including an actuator plate section disposed over the third frame section and movable with respect thereto, an actuator arm member disposed between the second and third frame sections, the actuator arm member being pivotally connected to one of the second or third frame sections, the pivotal connection being adjacent one end of the arm member, a link member operatively connecting the filter member with the actuator arm member at a point remote from the pivotally connected end thereof, the actuator arm member being operatively connected to the actuator plate section, biasing mechanism urging the filter member into a position over the viewing opening of the shield section, a chin-contacting member affixed to the actuator plate section and including substantially horizontal and vertical sections.
REFERENCES:
patent: 2386656 (1945-10-01), Carlson
patent: 2416764 (1947-03-01), Madson
patent: 3095575 (1963-07-01), Radov
patent: 3775774 (1973-12-01), Herman
Nerbun Peter
Urban Arthur L.
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