Valve-opening mechanism of fire hydrant apparatus
专利汇可以提供Valve-opening mechanism of fire hydrant apparatus专利检索，专利查询，专利分析的服务。并且PURPOSE: To enable opening a discharge valve simultaneously with taking out a fire hose nozzle by constituting an apparatus in such manner that, when the fire hose nozzle is taken out from a nozzle holder, the detent part of the nozzle biases a latch to move a moving table and a transmission means connected with the table is drawn.
CONSTITUTION: When the handle 8 of a fire hose nozzle is drawn, a projection 6 is being guided by long grooves 5, 22 while moving. In this case, the projection 6 in contact with the rear end 5b of the long groove 5 biases a latch 12, of which rotation is regulated by a pin 17, in the same direction. When the projection 6 moves further in the same direction, the projection 6 enters a run-off 7, is released from the engagement with the latch 12 to deviate from the long groove 5, and the fire hose nozzle 1 is removed from a nozzle holder 2. When a biasing force is applied to the latch 12, a moving table 11 moves in the same direction as the latch 12 against the elasticity of a coil spring 10. Thus, a wire 18 connected with the table 11 also moves in the same direction, the lever of a discharge valve rotates and the discharge valve is opened.
COPYRIGHT: (C)1991,JPO&Japio，下面是Valve-opening mechanism of fire hydrant apparatus专利的具体信息内容。
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