Restraining bar with alarm

Details Restraining bar with alarm Restraining bar with alarm

1977-05-09

1979-11-27

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6193, G08B 1306

Patent

active

041763475

ABSTRACT:
A restraining bar is pivotally mounted to slide on a support affixed to the inner surface of a door. In its locked position, it is under a restraining means affixed to the door's latch-frame casement. A switch is situated between the restraining bar and the support so that movement of the door when the restraining bar is in its locked position will cause the restraining bar to pivot toward the support and thereby close the switch to actuate an alarm.

REFERENCES:
patent: 3444546 (1969-05-01), Hawkins
patent: 3587080 (1971-06-01), Hawkins

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