Fire extinguisher head assembly

Details Fire extinguisher head assembly Fire extinguisher head assembly

1975-05-15

1976-12-21

Love, John J.

Fire extinguishers

Portable vessels

Gas pressure

222464, A62C 1300

Patent

active

039982742

ABSTRACT:
A head assembly for a portable fire extinguisher includes a plastic injection-molded body adapted to fit over the discharge opening of a pressurized cylinder of fire extinguishing agent. The body includes an internal passageway in which a valve is slidably mounted. An O-ring embedded in the wall of the passageway serves as a valve seat for the valve to provide control of the dispensing of the extinguishing agent. A tube segment, one end of which is flared and molded into the housing, and the other end of which extends through the discharge opening and is attached to the cylinder by a threaded sleeve, serves to mount the head assembly to the cylinder. In an alternate embodiment, the body of the head assembly includes a handle symmetrically disposed with respect to the center of gravity of the fire extinguisher for improved portability.

REFERENCES:
patent: 2083584 (1937-06-01), Wineman
patent: 2616512 (1952-11-01), Coon
patent: 2926731 (1960-03-01), Bowman et al.
patent: 3530941 (1970-09-01), Hansen et al.
patent: 3662836 (1972-05-01), Siimes
patent: 3667549 (1972-06-01), Sachs et al.

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