Portable screen device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 16, 2008
Grant Date -
Apr 24, 2008
app pub date -
Oct 24, 2006
filing date -
Oct 24, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable screen device including a casing, an extendable screen, and an extendable screen supporting column which has one end pivotally supported at a center portion of a back surface of the casing. The column can be pivoted to an extended position for holding the screen in an extended state. The column includes a plurality tubular members which slide with respect to each other. A lowermost tubular member has a first column lock mechanism for engaging the lowermost tubular member with an adjacent, upper tubular member to maintain the column at a desired height. A column lock releasing mechanism including a pedal is provided for releasing the engagement between the lowermost tubular member and the upper tubular member.
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Cited Art Landscape
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