Patent ID: 7275535
Filing Date: 2007-10-02
Classification: A62B

Abstract:
1. A respiration hood assembly useful to draw air across a filter and convey same into a shrouded enclosure adjacent the face of a person, comprising: a thin-walled headpiece defined by a bowl generally conformed to be worn on the head of said person and formed within a planar brim surface extending eccentrically from the periphery thereof, the larger portion of said brim surface being disposed to extend in cantilever above said face of said person and including an opening therein; a thin-walled housing including a peripheral edge conformed for a nested releasably engaging receipt of the corresponding periphery of brim to form a cavity therebetween, said housing further including an aspiration vent communicating into said cavity; filter means deployed in said housing adjacent said aspiration vent for filtering said ambient air passing into the interior thereof; an electrically powered fan deployed within said cavity adjacent said opening in said brim for drawing ambient air across said filter means and through said cavity and for emitting said ambient air through said opening in said brim; and a plastic membrane skirt releasably captured between said periphery of said brim and peripheral edge of said housing to depend therefrom onto the body of said person.