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    • 1. 发明授权
    • Automatic inflatable safety work vest
    • 自动充气安全工作背心
    • US4246672A
    • 1981-01-27
    • US31145
    • 1979-04-18
    • Hikaru FujiyamaMasayoshi Shimada
    • Hikaru FujiyamaMasayoshi Shimada
    • B01J7/00B63C9/18B63C9/19F42B3/04
    • F42B3/04B63C9/18
    • An automatic inflatable safety work vest in which a gas is automatically charged into a gas tight chamber forming a floating body upon contacting water, comprises a back part of the vest formed of a non-floating material, a floating body provided at the front of the vest and connected with stretchable bands to the back part and having a gas tight chamber, a pillow integrally formed at the upper portion of the vest which communicates with the gas tight chamber, the pillows being folded over and releasably attached to the outer surface of the back part and a gas charging device in communication with the gas tight chamber and connected to the floating body through a connector, the gas charging device being a flat cylindrical vessel provided with a gas outlet at the bottom surface, a pair of electrodes positioned oppositely and fixed at a side wall near an upper cover portion of the cylindrical vessel, an electric switch provided at the upper portion of the cylindrical vessel and connecting to the electrodes and consisting of a power supply circuit, a charging circuit and a switching circuit, and an inner cylindrical vessel provided at the lower portion of the cylindrical vessel and provided with a bottom plate having a plurality of projections on the outside, a cylindrical perforated side wall having at least one projection and an electric ignition device fixed at the center portion and connecting to the switching circuit, the electric ignition device being in turn surrounded concentrically by, first, a gas generating solid agent and a solid cooling agent.
    • 一种自动充气安全工作背心,其中气体自动地装入形成浮体的气密室中,在接触水时,包括由非浮动材料形成的背心的背部,设置在前侧的浮体 背心并与可伸缩带连接到后部,并具有气密室,一体地形成在背心上部的与气密室连通的枕头,枕头被折叠并可释放地附接到 背部和气体充气装置,其与气密室连通并通过连接器连接到浮体,气体充注装置是在底表面设置有气体出口的平坦圆柱形容器,一对电极相对定位, 固定在圆柱形容器的上盖部附近的侧壁,设置在圆筒形容器的上部的电开关, 由电源电路,充电电路和开关电路组成的内圆柱形容器和设置在圆筒形容器的下部并具有在外侧具有多个突起的底板的内圆柱形容器, 具有至少一个突起的圆柱形穿孔侧壁和固定在中心部分处并连接到开关电路的电点火装置,电点火装置又由气体产生固体剂和固体冷却剂同心地包围。