Structure of hanger of window curtain suspension rack

Abstract

A curtain suspension rack includes a curtain rod, mounting brackets, and hangers. The curtain rod has decoration heads. Each mounting bracket has a mounting base, a support member, and a suspension section. The mounting bracket receives the curtain rod to suspend thereon. The hangers are fit to the curtain rod. Each hanger includes a carrying section in contact engagement with the curtain rod and forming an embedding cavity that receives and retains a rolling ball therein to allow the rolling ball to freely rotate. The rolling ball has a lower portion projecting below the carrying section, whereby when the hanger is fit to the curtain rod, the rolling ball is in direct contact with the curtain rod. In this way, the frictional resistance induced when the hanger is moving along the curtain rod is reduced to allow a user to easily open or close a curtain.

I claim: 
     
         1 . A structure of hanger of curtain suspension rack, wherein the curtain suspension rack comprises at least a curtain rod, mounting brackets, and hangers;
 the curtain rod having decoration heads;   each of the mounting brackets comprising a mounting base, a support member, and a suspension section, the mounting bracket receiving the curtain rod to suspend thereon;   the hangers being fit to the curtain rod;   characterized in that each of the hangers comprises a carrying section that is in contact engagement with the curtain rod, the carrying section forming an embedding cavity that receives and retains a rolling ball therein to allow the rolling ball to freely rotate in the embedding cavity, the rolling ball having a lower portion projecting below the carrying section of the hanger, whereby when the hanger is fit to the curtain rod, the rolling ball is in direct contact with the curtain rod.   
     
     
         2 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the embedding cavity is provided with a lid. 
     
     
         3 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the hanger is a hanger of closed form. 
     
     
         4 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the hanger is a hanger of an open form. 
     
     
         5 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the embedding cavity is divided or in the form of an elongate slot. 
     
     
         6 . The structure of hanger of curtain suspension rack according to  claim 2 , wherein the lid comprises a single covering element or a plurality of covering elements. 
     
     
         7 . The structure of hanger of curtain suspension rack according to  claim 2 , wherein the lid forms a through aperture, which allows the rolling ball to partially project outside the lid. 
     
     
         8 . The structure of hanger of curtain suspension rack according to  claim 6 , wherein the lid forms a through aperture, which allows the rolling ball to partially project outside the lid. 
     
     
         9 . The structure of hanger of curtain suspension rack according to  claim 2 , wherein the lid is set in an upper side or a lower side of the embedding cavity. 
     
     
         10 . The structure of hanger of curtain suspension rack according to  claim 6 , wherein the lid is set in an upper side or a lower side of the embedding cavity. 
     
     
         11 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the rolling ball comprises a single ball comprising a pivot pin extending therethrough. 
     
     
         12 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein multiplicity of rolling balls is serially connected by a pivot pin to form a ball string. 
     
     
         13 . The structure of hanger of curtain suspension rack according to  claim 1 , wherein the carrying section of the hanger that is in contact engagement with the curtain rod has an inside surface forming a constraint projection by one side of the embedding cavity. 
     
     
         14 . The structure of hanger of curtain suspension rack according to  claim 13 , wherein the inside surface of the carrying section of the hanger forms a constraint projection at each of opposite sides of the embedding cavity. 
     
     
         15 . The structure of hanger of curtain suspension rack according to  claim 13 , wherein the constraint projections are arranged in a corresponding manner.