Ceiling tile dust guard

Abstract

A ceiling tile dust guard is provided wherein the dust guard includes in combination a room having wall and the wall comprising a ceilimg, a ventilation duct vent, and rails in the ceiling. The duct vent defines a plane parallel to the ceiling and provides a direction of air flow out of the vent into the room; the dust guard adjacent the duct vent provides a peripheral wall substantially perpendicular to and projecting away from the duct vent into the room diverting air flowing through the vent away from the ceiling adjacent the vent so that static electricity doesn't attract particles in the air flow onto the ceiling. The duct vent comprises a vent housing and the supporting means comprises rails in the ceiling supporting the vent housing. The dust guard comprises a first element captivated between the vent housing and the rails, the peripheral wall being supported by the first element wherein the first element comprising a panel perpendicular to the peripheral wall and wherein the dust guard held in place by the weight of the vent housing.

Dependencies are inferred from the claim text.