Patent ID: 9719295
Date: 2017-08-01
CPC Classifications: E06B

Claim:
1. A window covering comprising: a first rail; a liner attached to the first rail such that the liner is moveable from an extended position to a retracted position; window covering material attached to at least one of the first rail and the liner such that the window covering material is moveable from an extended position to a retracted position when the liner is moved from the retracted position of the liner to the extended position of the liner, the liner defining an unfolded and unpleated face of material facing away from the window covering material when the window covering material is in the extended position of the window covering material and the liner is in the extended position of the liner; the window covering material being moveable such that the window covering material forms a first number of folds when the window covering material is moved from the extended position of the window covering material to the retracted position of the window covering material; and the liner being moveable relative to the first rail such that the liner forms a second number of folds when the liner is moved from the extended position of the liner to the retracted position of the liner, the second number of folds being a number of folds that is at least 50% larger than the first number of folds; and wherein the window covering material is attached to the liner at vertically spaced apart locations via attachment mechanisms, each attachment mechanism extending along a width of the window covering material and a width of the liner to directly attach the window covering material to the liner along the widths of the liner and the window covering material.