A Self-Contained Deadbolt Sensing Arrangement
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United States of America Patent
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Issued Date -
Feb 23, 2017
app pub date -
Apr 29, 2015
filing date -
May 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A sensor, a wireless transceiver and a battery that energizes the transceiver are installed together in a cavity formed in a frame of a door. They are displaced together in the cavity in accordance with the deadbolt position in a direction of displacement of a door deadbolt. A spring that is installed in the cavity accommodates differences among travel distances and differences in lengths of different deadbolts and also differences in gaps between doors and door frames.
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