Exit device with lock down mechanism
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United States of America Patent
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-
May 24, 1983
Grant Date -
N/A
app pub date -
Oct 16, 1980
filing date -
Oct 16, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lock-down mechanism for use with an exit door wherein an electromagnet on the door attracts an armature on the push rail when the latter is pushed to unlatch the door, the door being held unlatched as long as the electromagnet is energized.
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