Patent ID: 6138768
Filing Date: 2000-10-31
Classification: A62C

Abstract:
A gas type fire extinguisher comprising:a hollow main casing which has a top opening surrounded by a flange, an actuation hole formed near said flange, and a bottom opening;a bottom cover having an upper opening and a reception space inside thereof, said reception space being provided therein with a push-out member and a first elastic member which pushes said push-out member toward said upper opening;a nozzle head provided with an anchoring part that engages said flange of said main casing, said nozzle head being further provided with a spray hole in a central portion thereof and an insertion hole formed continuously to said spray hole with a firing pin inserted in said insertion hole;a guide means slidably installed in said main casing, said guide means having a longitudinal insertion hole into which a head section equipped with a sealing plate of a gas cylinder filled with a fire-extinguishing gas is inserted, a lateral insertion hole in which a second elastic member is inserted, and a lateral through-hole with a locking means installed therein, said locking means having a flange constantly pushed by said second elastic member; andan operating lever provided on an exterior surface of said main casing so as to push in said locking means which springs out of said actuation hole of said main casing; andwherein said fire extinguisher is assembled so that said nozzle head is inserted into said main casing and attached to said top opening of said main casing, said second elastic member is set inside said lateral insertion hole of said guide means with said locking means being anchored in said lateral through-hole, said head section of said gas cylinder is inserted into said longitudinal insertion hole of said guide means and said guide means is inserted into said main casing together with said gas cylinder until said locking means pushed by said second elastic member is inserted into and engaged with said actuation hole of said main casing, thus allowing said operating lever to push against a tip end of said locking means, and said bottom cover is attached to said main casing such that said upper opening of said bottom cover covers said bottom opening of said main casing into which said gas cylinder has been inserted and said push-out member is engaged with a bottom of said gas cylinder and said first elastic member is compressed to bias said push-out member and said gas cylinder toward said firing pin.