Patent ID: 6138740
Filing Date: 2000-10-31
Classification: E06B

Abstract:
A roller shade support system comprising:a housing for support and having a centrally located first conical bearing surface, and a first bore through said housing at the center of said conical bearing surface;a sprocket portion for engaging one of a rope and chain and having a second generally conical bearing surface adjacent and complementary to said centrally located first conical bearing surface of said bracket, and having a cylindrical insertion member extending therefrom opposite said second conical bearing surface, and a third generally conical bearing surface located within said cylindrical insertion member and a second bore at the center of said second and said third conical bearing surfaces and through said sprocket portion;a conical bearing structure having a fourth generally conical surface adjacent and complementary to said third generally conical surface, and having a third bore at the center of said fourth conical bearing surfaces and through said conical bearing structure;adjustable axial force connection means for urging said conical bearing structure toward said housing and through said first, said second and said third bores, to control the frictional bearing contact between of said sprocket portion and both said conical bearings structure and said housing; anda bracket having a main planar expanse and including an aperture for engagement of said adjustable axial force connection means and adjacent at least a portion of said first bore, and at least one key projection.