Double-layered window curtain

Abstract

A double-layered window curtain includes amounting seat, a window curtain unit, and a cover unit. The window curtain unit includes a curtain member mounted to the mounting seat and that has inner and outer surfaces, a driver disposed on the mounting seat, and a cord extending through the driver and connected to the curtain member on the inner surface of the curtain member. The cover unit includes a shade cloth connected to the inner surface of the curtain member and covering the cord. The curtain member and the shade cloth are together folded and unfolded by manipulation of the cord and by cooperation of the cord with the driver.

1 . A double-layered window curtain comprising:
 a mounting seat;   a window curtain unit including a curtain member mounted to said mounting seat and having inner and outer surfaces, a driver disposed on said mounting seat, and a cord extending through said driver and connected to said curtain member on said inner surface of said curtain member; and   a cover unit including a shade cloth connected to said inner surface of said curtain member and covering said cord;   wherein said curtain member and said shade cloth are together folded and unfolded by manipulation of said cord and by cooperation of said cord with said driver.   
     
     
         2 . The double-layered window curtain as claimed in  claim 1 , wherein said cover unit includes a plurality of weight components attached to said shade cloth and vertically spaced apart from each other. 
     
     
         3 . The double-layered window curtain as claimed in  claim 2 , wherein said curtain member includes a plurality of horizontal shade components disposed and connected in a side-by-side manner such that said curtain member extends downwardly from said mounting seat when said curtain member is unfolded, and a plurality of guide rings connected respectively to first selected ones of said shade components to be thereby spaced apart vertically, said cord extending through said guide rings, one end of said shade cloth being mounted to said mounting seat, spaced apart horizontal portions of said shade cloth being attached to second selected ones of said shade components of said curtain member to thereby cover said cord and said guide rings. 
     
     
         4 . The double-layered window curtain as claimed in  claim 3 , wherein said guide rings are connected respectively to said first selected ones of said shade components between said shade components and said shade cloth. 
     
     
         5 . The double-layered window curtain as claimed in  claim 1 , wherein said curtain member includes a plurality of horizontal shade components disposed and connected in a side-by-side manner such that said curtain member extends downwardly from said mounting seat when said curtain member is unfolded, and a plurality of guide rings connected respectively to first selected ones of said shade components to thereby be spaced apart vertically, said cord extending through said guide rings, one end of said shade cloth being mounted to said mounting seat, spaced apart horizontal portions of said shade cloth being attached to second selected ones of said shade components of said curtain member to cover said cord and said guide rings. 
     
     
         6 . The double-layered window curtain as claimed in  claim 5 , wherein said guide rings are connected respectively to said first selected ones of said shade components between said shade components and said shade cloth. 
     
     
         7 . The double-layered window curtain as claimed in  claim 1 , wherein:
 said cord has a connecting segment extending through said curtain member and said guide rings, and a pulling segment extending downwardly from said driver;   said shade cloth of said cover unit covers said connecting segment of said cord; and   manipulation of said pulling segment of said cord results in folding and unfolding of said curtain member and said shade cloth among a fully folded position, a partially folded position, and a fully unfolded position.