Take up-type screen device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 10, 2009
Grant Date -
Oct 20, 2005
app pub date -
May 27, 2003
filing date -
May 31, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retractable screen device including a screen frame formed by upper and lower frame members and right and left side frames, each having a fixed cross section along its entire axis, and corner linking members linking the ends of the frame members and side frames together at four corners of the screen frame. One of a pair of corner linking members situated at the ends of the side frame carrying a screen winding shaft includes a winding mechanism that is movable into and out of the winding shaft to cause the winding shaft to wind a screen thereon with aid of an adjustable spring force, while the other corner linking member includes a stopper mechanism that is movable into and out of the winding shaft to define an adjustable limit to a degree of unwinding of the screen from the winding shaft.
First Claim
Family
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Cited Art Landscape
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