Exit-delaying mechanism, for a panic exit device
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United States of America Patent
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Feb 4, 1992
Grant Date -
N/A
app pub date -
Jun 3, 1991
filing date -
Jun 3, 1991
priority date (Note) -
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Abstract
A housing mounted to the frame of a panic exit device confines a translatable limb, and a pivotable arm. The limb has a lobe which obstructs the arm to prevent its pivoting and, as a consequence, the arm blocks the latchbolt linkage of the device to prevent unlatching. A rod joined to a time-delayed-operative solenoid is coupled to the limb for displacing the limb from arm-pivoting obstruction, to allow the arm to unblock the latchbolt linkage, whereby the latchbolt can unlatch following the time delayed deenergization of the solenoid. Under normal conditions, the solenoid is energized to prohibit immediate unlatching.
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