Patent ID: 8434526
Filing Date: 2013-05-07
Classification: F16L,F24F,Y10T

Abstract:
1. An air duct system, comprising: an air duct having a pliable sidewall to extend in a longitudinal direction, the pliable sidewall defining a plurality of openings, the pliable sidewall having a total weight; a framework to be disposed within the air duct, the framework comprising a material of less flexibility than that of the pliable sidewall, the framework further comprising: a plurality of hangers corresponding to the plurality of openings, each hanger of the plurality of hangers comprising an elongate member having an upper section and a lower section, the lower section to be coupled to the framework via access through a corresponding opening of the plurality of openings, and most of the total weight of the pliable sidewall to be carried by the framework.