Goggle for sports and adverse environments

Details Goggle for sports and adverse environments Goggle for sports and adverse environments

1999-03-05

2000-10-31

Calvert, John J.

Apparel

Guard or protector

For wearer's head

2434, A61F 902

Patent

active

06138285&

ABSTRACT:
A goggle has a replaceable lens mounted in a flexible frame containing several large air vents facing forwardly to input external air into the goggle interior. The inlet air vents have converging and angled walls. A first porous foam of particular porosity covers the inlet air vents and is located in an upper air channel with a curved deflector wall to disperse the external air into the interior space. Exit vents located in the bottom of the frame are covered with a second porous foam of different characteristics than the first porous foam. The sides of the goggle frame include curved slots with curved retention bars around which a stretchable headband strap is secured to create uneven load forces on the sides of the goggle frame.

REFERENCES:
patent: 2409286 (1946-10-01), Joyce
patent: 3368221 (1968-02-01), Anderson
patent: 3395406 (1968-08-01), Smith
patent: 3718937 (1973-03-01), Smith
patent: 3945044 (1976-03-01), McGee et al.
patent: 4149276 (1979-04-01), Castro
patent: 4571748 (1986-02-01), Carroll et al.
patent: 4653124 (1987-03-01), McNeal et al.
patent: 4977627 (1990-12-01), Metcalfe et al.
patent: 5363512 (1994-11-01), Grabos, Jr. et al.

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