PANEL SHUTTER WITH A DEFORMATION DETECTION ARRANGEMENT
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United States of America Patent
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Issued Date -
Dec 1, 2016
app pub date -
Feb 17, 2015
filing date -
Feb 19, 2014
priority date (Note) -
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Abstract
The invention relates to a panel shutter (10) for opening and closing a doorway (15) having a door blade (11), the door blade (11) comprises several rigid shutter elements (12) which are hinged with each other. Further damage to the panel shutter (10) caused by a deformation (22) of the door blade (11) and/or at least one shutter element (12) is avoided by a detection arrangement (24) for detecting a deformation (22) of at least one shutter element (12).
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