Fire extinguishers – Portable vessels – Gas pressure
Patent
1996-10-07
1998-01-06
Hoge, Gary C.
Fire extinguishers
Portable vessels
Gas pressure
169 75, 169 89, A62C 1362
Patent
active
057044287
ABSTRACT:
A disaster preventive apparatus has a gas cylinder support to which the head of a gas cylinder filled with CO.sub.2 gas is fixed, and the support is screwed in a top cover. When a bottom cover is turned by one hand while the top cover being held by the other hand after a lock pin, which locks the top cover and the gas cylinder support in a nonrotatable manner, is pulled out, the gas cylinder can be moved in the axial direction to the trigger side while being turned with a small force. Since the trigger is formed into a special shape such that the tip end face thereof and the outer peripheral surface of trigger tip end portion make an obtuse angle, a seal plate can be broken easily. Also, the broken portion of the seal plate is not separated from the seal plate and is bent inward in the gas cylinder, so that the ejection of CO.sub.2 gas is not hindered by seal plate chips. There is less possibility of bending and breaking of the trigger.
REFERENCES:
patent: 4006780 (1977-02-01), Zehr
patent: 4620598 (1986-11-01), Reeder
patent: 5615743 (1997-04-01), Matsumoto et al.
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