Danger alarm device

Details Danger alarm device Danger alarm device

1978-11-13

1979-10-16

Swisher, S. Clement

Signals and indicators

Alarms

Reeled material end

116137R, G08B 306

Patent

active

041709551

ABSTRACT:
This invention has to do with an alarm used by persons engaged in high-risk activities. A can of propellant gas is used in combination with a means to generate a noise signal at approximately 120 decibels. A rotatable shaft is used to connect the pressurized container and the noise generating means during operation of the device. A flutter valve can be used in the noise generating means to produce an intermittent signal.

REFERENCES:
patent: 3670690 (1972-06-01), Swanson
patent: 3785335 (1974-01-01), Wagner
patent: 3918437 (1975-11-01), Saba
patent: 4044712 (1977-08-01), Goodman

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