Door curtain device having transmissivity variation structure
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Sep 10, 2019
Grant Date -
May 17, 2018
app pub date -
Apr 13, 2017
filing date -
Apr 13, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A curtain device according to an embodiment of the present invention includes a first shade bar. A first shade roller is disposed within the first shade bar and a hook portion is provided in an upper side of the first shade bar. A first curtain member has a first transmissivity. One end of the first curtain member is rolled into the first shade roller and an opposite end of the first curtain member is exposed to a bottom of the first shade bar. A second shade bar is adjacent the bottom of the first shade bar. A second shade roller is configured to be disposed inside a door body that is formed in a lower portion of the door frame. A second curtain member having a second transmissivity has one end connected to the second shade bar and an opposite end rolled into the second shade roller.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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