ADJUSTMENT DEVICE FOR ADJUSTING DISTANCE OF OBSERVATION SPACE OF WINDOW BLINDS
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United States of America Patent
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N/A
Issued Date -
Dec 31, 2015
app pub date -
May 27, 2015
filing date -
Jun 25, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A window blinds includes a head box, a top bar, a bottom bar and a blind body connected between the top and bottom bars. A first fixed seat and a second fixed seat are respectively located in the head box, each of the first and second fixed seats is cooperated with a movable seat and a spring which is connected between the first/second fixed seat and the head box. Two first cords are wrapped between the first fixed seat and the movable seat corresponding thereto, and are connected to the top bar. Two second cords are wrapped between the second fixed seat and the movable seat corresponding thereto, and extend through the head box, the blind body and are connected to the bottom bar. A stop member is connected to the two first cords and located between the positioning post and the first knot to adjust the size of the observation space.
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Family
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Cited Art Landscape
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