Hinge for connecting a leaf to a frame so as to be hinged about a hinge axis
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United States of America Patent
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Feb 18, 2014
Grant Date -
Mar 29, 2012
app pub date -
May 27, 2010
filing date -
Jun 4, 2009
priority date (Note) -
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Abstract
A hinge plate includes a frame hinge plate part comprising a frame fastening part and a frame hinge part. A leaf/sash hinge plate part comprises a leaf/sash fastening part and a leaf/sash hinge part. A primary coil is disposed in the frame hinge part and a secondary coil is disposed in the leaf/sash hinge part, each coil being configured to surround a hinge plate pin. The primary coil extends at least almost up to an end face of the frame hinge part facing the leaf/sash hinge part. The secondary coil extends at least almost up to an end face of the leaf/sash hinge part facing the frame hinge part. A hinge plate pin sleeve comprising a ferrite material is disposed between the hinge plate pin and the primary and secondary coils, and extends approximately over a length of the hinge plate pin surrounded by the primary and secondary coils.
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