WINDOW SHADE
First Claim
1. A constituent assembly adapted for use in a window shade, the window shade including an upper rail, a lower rail disposed under the upper rail, a shade unit. connected between the upper and lower rails, and a cord reel provided on one of the upper and lower rails, said constituent assembly comprising:
- a first pull cord adapted to be partially wound on the cord reel and connected to the other one of the upper and lower rails for adjusting the distance between the upper and lower rails; and
a retarding unit adapted to be provided on the one of the upper and lower rails, and including a first retarder for retarding movement of said first pull cord, said first retarder including two first retarding shafts that are spaced apart from each other in a horizontal direction, said first pull cord extending around said first retarding shafts.
1 Assignment
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Accused Products
Abstract
A window shade includes an upper rail, a lower rail, a shade unit, a reel unit and a retarding unit. The reel, unit is provided on one of the upper and lower rails, and includes a first pull cord that is connected to the other one of the upper and lower rails for adjusting the distance between the upper and lower rails. The retarding unit is provided on the one of the upper and lower rails, and includes a first retarder for retarding movement of the first pull cord. The first retarder includes two first retarding shafts that are spaced apart from each other in a horizontal direction. The first pull cord extends around the first retarding shafts.
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Citations
9 Claims
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1. A constituent assembly adapted for use in a window shade, the window shade including an upper rail, a lower rail disposed under the upper rail, a shade unit. connected between the upper and lower rails, and a cord reel provided on one of the upper and lower rails, said constituent assembly comprising:
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a first pull cord adapted to be partially wound on the cord reel and connected to the other one of the upper and lower rails for adjusting the distance between the upper and lower rails; and a retarding unit adapted to be provided on the one of the upper and lower rails, and including a first retarder for retarding movement of said first pull cord, said first retarder including two first retarding shafts that are spaced apart from each other in a horizontal direction, said first pull cord extending around said first retarding shafts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification