SHOCK-RESISTANT PROTECTIVE SHELL OF PORTABLE APPLIANCE
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United States of America Patent
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Issued Date -
Apr 23, 2015
app pub date -
Apr 12, 2013
filing date -
Apr 17, 2012
priority date (Note) -
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Abstract
A shock-resistant protective shell for a portable electric appliance includes a protective shell additionally arranged on a surface of a portable electric appliance and matching the shape of the portable electric appliance, with a buffer body protruding towards an exterior of the protective shell arranged at the corner of the protective shell. A primary buffer axis of the buffer body points to the centroid of the portable electric appliance, or the projection of the primary buffer axis in the principal plane of the electric appliance extends along the angular bisector between two adjacent sides. The buffer body is arranged with a secondary buffer axis arranged perpendicular to the primary buffer axis or perpendicular to the principal plane of the portable electric appliance. The thickness of the buffer body is at least 3 times of the average thickness of the rest parts in the protective shell except for the buffer body.
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