Anti-burglar sound emitting device

Details Anti-burglar sound emitting device Anti-burglar sound emitting device

1975-12-15

1977-05-24

Swisher, S. Clement

Signals and indicators

Alarms

Burglar

116114F, 116142FP, G08B 1308

Patent

active

040248305

ABSTRACT:
An anti-burglar sound emitting device is described in which a pressurized fluid is discharged to audibly oscillate a diaphragm to create a warning signal when an intruder opens a window or a door to enter an area unauthorized to the intruder. The anti-burglary device employs a spring biased actuating member for discharging a pressurized container wherein the fluid is discharged through a passageway and diaphragm valving structure. A mechanical trigger for releasably retaining the actuating member in a cocked position and for releasing the actuating member which moves the slideably mounted pressurized container to cause sound is described.

REFERENCES:
patent: 1563176 (1925-11-01), Eimer
patent: 2541770 (1951-02-01), Lawrence
patent: 2570438 (1951-10-01), Flagge
patent: 2626586 (1953-01-01), Mendes
patent: 3000344 (1961-09-01), Ferrel
patent: 3670690 (1972-06-01), Swanson
patent: 3804053 (1974-04-01), Gray
patent: 3957012 (1976-05-01), Fegley

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