Patent ID: 7419010
Filing Date: 2008-09-02
Classification: A62C,F17C

Abstract:
1. A fire extinguisher, comprising a plurality of gas cylinders, each filled with a gas and having a mouth portion; a sealing plate for each gas cylinder sealing the mouth portion of the gas cylinder; two cylindrical bodies, each housing at least one of the gas cylinders, the gas cylinders housed within each cylindrical body being oriented in the same axial direction; joint blocks provided in the cylindrical bodies, each joint block holding the mouth portion of one or more of the gas cylinders, the mouth portion of each gas cylinder being held by only one joint block, and each joint block having a cavity; guide cylinders provided within the cavity of the joint block, one guide cylinder for each gas cylinder that the joint block is holding, each guide cylinder having a sliding hole oriented toward the sealing plate on the mouth portion of the corresponding gas cylinder; needle tubes, one needle tube slidably fitted into each one of the sliding holes, each needle tube capable of breaking the sealing plate of the corresponding gas cylinder, the needle tube having a through hole configured to guide the gas as it is discharged from the gas cylinder when the needle tube breaks the sealing plate; and needle tube holders slidably fitted into the sliding holes holding the needle tubes in the sliding holes, wherein for each gas cylinder at least one of the gas cylinder, the corresponding guide cylinder and the corresponding needle tube holder is provided to be movable in such a manner as to concurrently bring together the needle tube and the sealing plate for all the gas cylinders to break the sealing plate with the needle tube holder.