Patent ID: 9441417
Filing Date: 2016-09-13
CPC Classification: E06B

Claim Text:
1. A pull rope free curtain structure comprising: a first rod having two ends, wherein said rod is hollow; a second rod having two ends and being parallel to the first rod; a body including a bottom end mounted on the second rod; at least one elastic rope assembly, each including: two driving members, each being slidably disposed in the first rod; a first control rope which is wound about the coupling shaft of each of said two driving members to form a multiplicity of loops, and two ends of the first control rope are intersected and inserted through two inner bottom holes of the first rod and then are fixed on two ends of the second rod through the body; a second control rope being elastic, having two ends and being wound about the two ends of the first rod, each of said two ends is fixed on one of the two driving members; a positioning member which is attached to a central point on an upper rail of the first rod and retained on a central point of the second control rope.