Exit-delaying mechanism, for a panic exit device

Details Exit-delaying mechanism, for a panic exit device Exit-delaying mechanism, for a panic exit device

1991-06-03

1992-02-04

Moore, Richard E.

Closure fasteners

Bolts

Emergency operating means

2923363, 292144, 292153, E05C 308

Patent

active

050854755

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.

REFERENCES:
patent: 2343249 (1944-03-01), Spinello
patent: 3614145 (1971-10-01), Zawadzki
patent: 5011199 (1991-04-01), Lowe et al.

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