Patent ID: 7441582

Claim:
A roller tube housing including a roller tube with an axis of rotation and sheet material comprising: an elongate first housing portion having a side wall and a generally planar bottom wall cantilevered from said side wall, said cantilevered bottom wall carrying a support cradle coextensive therewith, said cradle being integral with said bottom wall; an elongate second housing portion having a side wall and a generally planar top wall configured to snap fit and lockingly engage with said first housing portion to provide a housing with an interior and a generally rectangular exterior cross-section; said support cradle being generally crescent shaped and having at least a portion that is elevated above said bottom wall, said support cradle being configured to support said roller tube from underneath the roller tube and at least partly directly below said axis of rotation throughout the winding and unwinding of said sheet material around the roller tube, during which an outer diameter of the sheet material on the roller tube varies; and a gap between the side wall of said second housing portion and an end of said cantilevered bottom wall farthest from said first housing portion side wall, said gap forming a dispensing passage for dispensing material from said roller tube.