Emhart Industries, Inc.

James E Robida

Ronald S Slusarski

Martin G Handel

An emergency exit device of the push bar type to control entry and exit of personnel, including a crossbar which may be pushed toward a door to actuate mechanisms which retract a latch bolt, and an alarm and key system for selective alarm actuation. The alarm and key system includes internal control mechanisms which are mounted in a tamper-proof housing, which may be accessed only by operating the push bar and actuating the alarm. A light emitting diode in the alarm assembly indicates alarm state, the presence of power, and a preset delay interval for alarm actuation. A variety of internal and external key operation configurations may be employed. A fastening arrangement for the exit device housing provides security against unauthorized manipulation of alarm components. Where mounting the alarm assembly within the exit device frame, an internal mounted guard member may include a protection flange to block access to the alarm.

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Middletown, CT, United States of America

James E Robida