Semi automatic device for applying tear gas

Details Semi automatic device for applying tear gas Semi automatic device for applying tear gas

1988-09-09

1990-01-23

Shaver, Kevin P.

Dispensing

Gas or vapor dispensing

22240211, 169 75, B65D 8300, A62C 1338

Patent

active

048952737

ABSTRACT:
A semi automatic device for applying tear gas which includes a tear gas pressure vessel containing a compressed solution of tear gas agent disposed in a suitable solvent. The solution is forced out of the pressure vessel into the surroundings by gas vapor pressure through a valve having a small orifice. The valve is controlled by an axial lever mounted co-axially to a helical spring which resists the lever's movement. The lever engages a hammer which is mounted onto a triggerlike handle so that when the user presses the trigger the hammer engages the axial lever and moves it to release a tear gas spray through the valve orifice. When the trigger is released the co-axial helical spring returns the axial lever immediately to its home station thus disengaging it from said hammer and to close the valve orifice to prevent further flow of tear gas particles outward. There are also provided mechanisms for assuring that only a predetermined amount of tear gas is discharged.

REFERENCES:
patent: 1606191 (1926-11-01), Siebenmann
patent: 2530583 (1950-11-01), Nurkiewicz
patent: 2541073 (1951-02-01), Kaufman
patent: 2778435 (1957-01-01), Downham et al.
patent: 3730390 (1973-05-01), Adrian et al.
patent: 4058921 (1977-11-01), Mason
patent: 4135645 (1979-01-01), Kimmell
patent: 4446990 (1984-05-01), Stevenson et al.

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