Patent ID: 6935399
Filing Date: 2005-08-30
Classification: E06B

Abstract:
1. A window blind assembly comprising: a headrail; a bottom rail; a plurality of slats; a supporting unit connected to said headrail, said bottom and said slats for supporting said slats between said headrail and said bottom rail; a lift cord lock mounted on said headrail; a pair of lift cords each having an end affixed to said bottom rail, a first portion penetrated through said slats and extended through said head rail, and a second portion extended out of said headrail through said lift cord lock for operation to control elevation of said bottom rail; and at least one cord stopper including a first cover shell having an insertion hole formed in a first end thereof and a wire notch formed in a second end thereof, a second cover shell openably closed to said first cover shell to form a receiving chamber therebetween, the second cover shell having a wire notch formed in each of a first end and a second end thereof, and at least one holding down member disposed in the receiving chamber; wherein a part of the second portion of said lift cord is positioned in the receiving chamber of the cord stopper by forming a loop winding of the second portion of said lift cord through and around the insertion hole of said cord stopper, engaged within the wire notch in the first end of the second cover shell, pressed by the holding down member and engaged within the wire notches in the second ends of the first and second cover shells to hold the cord stopper on the second portion of said lift cord.