Patent ID: 9255443
Filing Date: 2016-02-09
CPC Classification: E06B

Claim Text:
1. A window covering, comprising: a headrail; a bottom rail; a shading member between the headrail and the bottom rail; two pulley assemblies received in the headrail, each of which has a pulley; and a cord, which runs over the pulleys of the pulley assemblies, having a single control section and at least two lift sections, wherein the single control section has a first end and a second end, and the second end is connected to an end of each of the at least two lift sections; the single control section extends out of the headrail to be operated by a user to expand or collapse the shading member, and the at least two lift sections extend out of the headrail respectively to connect to the bottom rail through the shading member; the second end of the single control section is always inside the headrail no matter whether the shading member is expanded or collapsed; wherein the single control section runs over each of the pulleys of the pulley assemblies more than once in the headrail when the shading member is expanded.