Patent ID: 6474092
Filing Date: 2002-11-05
Classification: F04D,F24F

Abstract:
A cover for a blower, the cover comprising:at least two side plates positioned substantially perpendicular to an imaginary common longitudinal line, each of the plates having an edge portion extending substantially parallel to the imaginary longitudinal line and towards the other plate; a rollable sheet comprised of a flexible material, the rollable sheet positioned between the two side plates, the sheet comprising left and right side edges; at least two rollable connectors, one for each of the side plates, each of the connectors comprising upper and lower walls that are parallel and a rib that connects to and spaces apart the walls so that each of the connectors defines a substantially H-shaped cross-section, the upper wall comprising upper left and right legs, the lower wall comprising lower right and left legs, with the legs on either side of the rib, said upper right leg being longer than the lower right leg; the upper right leg comprising a lip extension that extends from an open end of the upper right leg perpendicularly toward the lower right leg to form a substantially L-shaped cavity between the upper and lower right legs; a left cavity formed by the rib and the upper and lower left legs; and the edge portions of each of the side plates is secured in and along the L-shaped cavity of a respective one of the rollable connectors, and the side edges of the rollable sheet are each secured in the respective one of the left cavities of the rollable connectors.