Simplified alarm for a sliding door or the like

Details Simplified alarm for a sliding door or the like Simplified alarm for a sliding door or the like

1984-06-29

1985-01-22

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

200 6173, 200 6193, G08B 1308

Patent

active

044954867

ABSTRACT:
An alarm is operatively associated with a movable frame and a stationary frame of a sliding door assembly. It has a plunger engagable with one frame or the other, which plunger is urged outwardly and activates a signal if the alarm is removed from its position. The alarm includes a case in which a modular component can be inserted with the component including a source of power, contacts, and a signal which can be an audible signal or a sending signal which activates a remote burglar alarm. The case of the alarm has a locking pin which can lock the plunger in place when the alarm is removed by the occupant. The alarm is also designed with a gravity-operated block which prevents the plunger from being pushed back into the case to turn off the alarm unless the alarm is turned upside down.

REFERENCES:
patent: 2870281 (1959-01-01), Mitchell
patent: 3402405 (1968-09-01), Contreras
patent: 3797005 (1974-03-01), Schwarz
patent: 3797006 (1974-03-01), Reininger
patent: 4193067 (1980-03-01), Hawkins
patent: 4266216 (1981-05-01), Trusty

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