Patent ID: 7735156
Filing Date: 2010-06-15
Classification: A41D,A42B,A62B

Abstract:
1. A head unit for a personal protection system, said head unit configured for use with a hood that includes a face shield, said head unit including: a head band shaped to be worn around the head of a wearer, said head band having a front section worn above the face of the wearer and a rear section opposite the front section; a front nozzle attached to said head band so as to be located forward of the head band front section; a rear nozzle attached to said head band so as to be located rearward of head band rear section; a ventilation unit located above said head band, said ventilation unit including: a shell; and a fan disposed in said shell for drawing air into said shell; a first support that extends upwardly from said head band to said ventilation unit shell for supporting said shell above the head of the wearer, said first support being angularly moveable relative to said head band; a fastening assembly integral with said ventilation unit shell and said first support for holding said shell to said first support at a plurality of different locations along said first support so that the position of said shell relative to both said front nozzle and said rear nozzle can be adjusted; a front conduit that extends between said shell and said front nozzle, said front conduit being adjustable in at least one of length or angle so that, when the position of said shell relative to said front nozzle is adjusted, said front conduit maintains a connection between said shell and said front nozzle; a rear conduit that extends between said shell and said rear nozzle, said rear conduit being adjustable in at least one of length or angle so that, when the position of said shell relative to said rear nozzle is adjusted, said rear nozzle maintains a connection between said shell and said rear nozzle; and at least one fastening member attached to said head band for suspending a hood over said head band, said ventilation unit and said nozzles so that a face shield integral with the hood is disposed forward of the head band front section.