Patent ID: 6742599
Filing Date: 2004-06-01
Classification: A62C

Abstract:
A fire extinguisher selectively operable either manually or automatically comprising:a container for storing fire extinguishing medium under pressure; a main body mounted at an upper portion of the container and having a passage for the fire extinguishing medium; a discharge nozzle projecting from one side of the main body and connected to the passage for discharging the fire extinguishing medium; an operating assembly movably located in the main body and biased by elastic means for controlling manually an opening of the passage by receiving pressing force and for controlling automatically an opening of the passage by an operation of a predetermined temperature, the operating assembly including: an operator having a first bore made at the lower side thereof, a second bore made at the vertical sidewall thereof, and a second closure member and a first closure member protruding from an upper outer surface and a lower outer surface around the second bore respectively; a plunger slidably located in the operator to control opening and closing of the second bore; and a blocking cap attached to the upper portion of the operator to prevent the plunger from moving or to allow the plunger to move according to the predetermined temperature; and an operating lever projecting from the other side of the main body for applying the pressing force to the operating assembly.