Patent ID: 6565431
Filing Date: 2003-05-20
Classification: F24F

Abstract:
A fan fold vent for covering the ridge of a roof having an opening therein for allowing ventilation of static air from an attic space of a building, adjustable to accommodate a variety of roof pitches and directs the flow of static air from the attic space to the outside environment comprising:multiple vent sections having top and bottom surfaces; soft pliable hinges connecting said multiple vent sections allowing the sections to fold on top of each other and form a stack for easy transportation and handling; wherein said soft, pliable hinges are staggered at each junction of two vent sections, one hinge being on the top surfaces at the junction of two vent sections and one hinge being on the bottom surface at the junction of the next two vent sections; and wherein each of said vent section comprises: a unitary panel of semi-rigid plastic material having a length and a width and top and bottom faces and being flexible in a lateral direction so as to be adjustable to the configuration of the roof; support structure in the bottom face of said unitary panel to prevent collapse or warping over said roof; ventilation means for guiding air from the attic space to the exterior and for creating a vacuum over said ventilation means to enhance flow of static air from the attic space comprising: rows of vent slots and slats integral with said panel running longitudinally on two sides of the length of said panel; and two vertical exterior baffles integral with said rows of said vent slats and running parallel thereto to create a vacuum over the rows of slots and slats.