Patent ID: 9282779
Filing Date: 2016-03-15
CPC Classification: A42B,Y10T

Claim Text:
1. A skydiving helmet with a fog prevention feature which comprises: a helmet body formed with an opening bordered by a helmet rim of the helmet body, wherein the helmet rim is dimensioned to surround the face of a skydiver, and wherein the helmet rim has a forehead portion and a chin portion, with the chin portion being formed with an air-intake hole; a transparent lens, having an inside surface and an outside surface, wherein the lens is mounted on the helmet body to cover the opening, and to separate the inside surface of the lens from the forehead portion of the rim to create an exhaust vent therebetween extending through an arc centered on the air-intake hole of the chin portion; an airflow deflector plate positioned against the air-intake hole to establish an air-intake vent with the deflector plate defining a centerline bisecting the deflector plate and extending between the air-intake hole and the arc of the exhaust vent; a pair of side vanes formed on the deflector plate to straddle the centerline, wherein the side vanes are angled relative to the centerline to widen toward the exhaust vent with an angle therebetween less than the arc of the exhaust vent; and a pair of lateral vanes formed on the deflector plate and angled with the side vanes relative to the centerline wherein the lateral vanes are positioned respectively between a side vane and the centerline to create a plurality of airways oriented on the deflector plate to direct air into the helmet and over the inside surface of the lens from the air-intake hole to the arc at the exhaust vent to prevent fog from forming on the inside surface during a skydive by the skydiver.