Dispensing – Gas or vapor dispensing – With cutter or punch
Patent
1978-08-07
1981-05-19
Basinger, Sherman D.
Dispensing
Gas or vapor dispensing
With cutter or punch
9318, B63C 924
Patent
active
042679443
ABSTRACT:
There is disclosed an inflator for the inflation of inflatable articles such as life vests and the like, such inflator being operated automatically upon being subjected to water as upon the ditching or parachuting of an aviator wearing a life vest provided with such inflator. In the preferred embodiment of the inflator disclosed, the automatically operating portion of it is embodied as an attachment to a known manually operated inflator, the resulting inflator being capable of operation both manually and automatically. The automatically operating portion of the inflator incorporates a latch which holds a plunger operated by a coil compression spring in cocked condition until the latch releases the plunger, which thereafter thrusts a piercing pin against and through the sealing diaphragm of a gas-containing capsule. The latch is provided with a water-destructible member which retains the latch in plunger cocking position until the water-destructible member is subjected to water in an amount sufficient to weaken it so that the latch releases the plunger. The inflator is particularly characterized by the fact that only the latch needs to be replaced after operation of the automatic inflator, and that the coil compression spring can be compressed to cock the plunger by a wholly manual operation.
REFERENCES:
patent: 2919833 (1960-01-01), Wolshin
patent: 3757371 (1973-09-01), Martin
patent: 3997079 (1976-12-01), Niemann
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