Screen device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 14, 2015
Grant Date -
Oct 4, 2012
app pub date -
Oct 7, 2010
filing date -
Oct 7, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a screen device, to provide a screen device in which a roller pipe includes a revolving shaft 5 on which a coil spring 6 is wound integrated therein, connected to a rotator 52 rotatably disposed with respect to a stator 51 connected to a lower end of the revolving shaft, and is rotatably stored in a housing frame, the stator includes a plurality of radially arranged claws 53, holding portions 57 arranged radially on a lower surface portion of a cap member 55 which is detachably disposed at a lower end of the housing frame corresponding to the claws of the stator are disposed, the holding portions each have a holding space 58 for receiving the claw in the interior thereof, the holding space is opened outward at one end on the side of receiving the claw and closed at the other end to allow adjustment of initial winding of a coil spring integrated in a roller pipe and superior in opening-and-closing operability of a screen and manner it is retracted.
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Cited Art Landscape
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