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US 2003/0188743 A1Published application
Air curtain device
OwnerJoseph Manneinventor
Life of this patent
Estimating the term…
Abstract
The device for creating a curtain of air across the face is a headset with a fan mounted thereon. The outlet of the fan has flexible tubing or cowling which allows for control of both direction and cross section of a curtain of air that crosses the face. The curtain of air prevents airborne particles and chemicals from making contact with the face.
Claims19
A portable device worn by a human user for producing a flow of air across a face of the user comprising:
- (a) a support means adapted to be worn by a user on a head, neck or shoulder;
- and
- (b) an air flow means for generating and directing a flow of air across a face of the user, said air flow means affixed to said support means thereby making the device portable.
A device for producing a flow of air across a human face comprising:
- (a) a means for generating a flow of air;
- (b) a means for directing said flow of air from said generating means across the face of said head;
- and
- (c) a support means adapted to be worn by a user and attached to said generating means and said directing means thereby making said device portable.
1 more element
A device for producing a flow of air across a human face comprising:
- (a) a headset which is worn by a human;
- (b) a fan mounted on said headset, said fan having an inlet and an outlet for air;
- (c) tubing affixed to said outlet of said fan to direct a flow of air generated by said fan from the side of a face across the face of said human.
Dependencies are inferred from the claim text.