Patent ID: 6322439
Filing Date: 2001-11-27
Classification: B60H

Abstract:
A venting means adapted for ventilating an enclosed space of the type formed by a floor, a roof, and surrounding side walls, comprising:an opening formed in said roof, a peripheral edge of said opening having a thickness predetermined by a thickness of said roof;a circular track disposed in overlying relation to said peripheral edge;a carriage slideably engaged to said circular track, said carriage being positionable in any position of adjustment relative to said circular track;carriage locking means for locking said carriage into any preselected position about said circular track;said carriage locking means including a plurality of circumferentially spaced apart blind bores formed in said circular track, each of said blind bores having an axis of symmetry coincident with a ray extending from a center of said opening;a closure means for said opening; anda hinge means mounted on said carriage for interconnecting said closure means and said carriage;whereby said carriage is positionable in any preselected position relative to said circular track so that said closure means may be opened to direct a maximum amount of wind into said enclosed space.