Patent ID: 6437244
Filing Date: 2002-08-20
Classification: H02G

Abstract:
A hinged duct system with a cover, comprising:a base member with a bottom wall and sidewalls defining a receiving channel, a distal end of at least one of said sidewalls including a base hook having an inwardly directed flange portion and a convex portion extending outwardly from said receiving channel towards said at least one of said sidewalls, a distal end of said convex portion being spaced from said flange portion to define a base member cavity therebetween; a duct cover hingedly attached to said at least one of said sidewalls, said duct cover including a hinge end section, said hinge end section including a cover hook having a distal end receivable in said base member cavity and a cover flange spaced inwardly from said cover hook, wherein when said duct cover is mounted to said base member said cover flange abuts said convex portion of said base hook with a pre-load pressure that creates a point of contact pressure engagement point on said convex portion, said duct cover being pivotal about said hinge end section between open and closed positions and said cover flange maintaining a substantially continuous point of contact force against said convex portion sufficient to retain said duct cover in any of various positions between the open and closed positions.