Box having foldable and self-locking side walls
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United States of America Patent
Stats
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Aug 19, 2014
Grant Date -
Feb 28, 2013
app pub date -
Oct 14, 2011
filing date -
Apr 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A foldable box includes a floor having a shaft arranged in a base area of an exterior wall area thereof. A guide opening in the fixed exterior wall area and includes a lateral opening section extending from an outside of the fixed exterior wall area inwards. A cam in the base area includes a cam contour which gets into contact with a contact surface of the exterior wall area. When exceeding a boundary angle the shaft is moved inwards. After exceeding the boundary angle a bottom side of the exterior wall is pressed against an internal edge area of the fixed exterior wall area by a force higher than a force by which the bottom side of the exterior wall in the erected vertical position is pressed against a top side of the fixed exterior wall area by the effect of the shaft or the cam.
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