Hinge plate for connecting a leaf or a sash 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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Jul 23, 2013
Grant Date -
Mar 22, 2012
app pub date -
May 5, 2010
filing date -
Jun 4, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A hinge plate for connecting a leaf of a door to a frame includes a frame hinge plate part comprising a frame fastening part and a frame hinge part. A leaf or sash hinge plate part comprises a leaf or sash fastening part and a leaf or sash hinge part. A primary coil is disposed in the frame hinge part and a secondary coil is disposed in the leaf or sash hinge part, each being configured to surround a hinge plate pin defining a hinge axis. The hinge plate pin is provided as a core for both the primary coil and the secondary coil and is configured to conduct magnetic flux lines. The hinge plate pin comprises a support element configured to transmit a mechanical force between the leaf and the frame. A flux element is configured to conduct the magnetic flux lines between the primary coil and the secondary coil.
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