Eye protectors

Details Eye protectors Eye protectors

1986-02-19

1987-06-09

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2426, A61F 902

Patent

active

046709142

ABSTRACT:
An eye protector comprising a lens structure spanning a wearers eye in use, a circumambient wall member projecting rearwardly from the lens structure and spacing the lens structure from the wearers face in use while leaving a substantially clear flow path for air across an interior central zone of said eye protector, said wall member having a plurality of ventilation apertures each provided with a rearwardly angled cowl preferably 10 to 20 mm deep and set at from 60.degree. to 90.degree. to the angle of vision and each providing individually a substantially unobstructed ventilation area of at least 80 mm.sup.2 e.g. 250 mm.sup.2 and in aggregate providing a substantially unobstructed ventilation area of at least 500 mm.sup.2 e.g. 1000 mm.sup.2 each side of said central zone.

REFERENCES:
patent: 2342766 (1944-02-01), Stiano
patent: 2636171 (1953-04-01), Aspenleiter
patent: 3000011 (1961-09-01), Sterne et al.
patent: 3031675 (1962-05-01), Dubach
patent: 3141172 (1964-07-01), Hirschmann
patent: 3418658 (1968-12-01), Danico
patent: 3517393 (1970-06-01), Beauchef
patent: 3638240 (1972-02-01), Militello
patent: 4011595 (1977-04-01), Shields
patent: 4027342 (1977-06-01), Hirschmann
patent: 4141085 (1979-02-01), Adams, Sr.
patent: 4264988 (1981-05-01), Specht
patent: 4435852 (1984-03-01), Nesler
patent: 4447914 (1984-05-01), Jannard
patent: 4571748 (1986-02-01), Carroll et al.

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