Patent ID: 7004832
Filing Date: 2006-02-28
Classification: B60H

Abstract:
1. A collapsible air vent closure for enabling the flow of air through a partition aperture defined in a partition, comprising; a frame having a frame aperture; a frame mount mounting said frame with said frame aperture communicating with the partition aperture; a closure; a closure pivot pivotably mounting said closure to said frame for pivoting said closure between a closed position and an open position; a vent wall comprising a sidewall and an endwall defining a vent orifice interposed between said frame and said closure; a vent wall mounting for movably mounting said vent wall; a coupling fixed to said closure and interconnected with said vent wall for moving said vent wall in accordance with the pivoting of said closure; said vent wall providing an air flow path between said vent orifice and said frame aperture and the partition aperture when said closure is in said open position; and said closure inhibiting said air flow path between said vent orifice and said frame aperture and the partition aperture when said closure is in said closed position.