Moisture actuated trigger device

Details Moisture actuated trigger device Moisture actuated trigger device

1980-10-02

1983-05-03

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

F42C 1900

Patent

active

043817106

ABSTRACT:
A moisture actuated trigger device comprising a housing; a moisture absorbing swelling body in said housing, one end of said body engaging a stationary wall of said housing and the opposite end engaging an end wall of a sleeve slidable within said housing upon expansion of the swelling body; an elongated plunger member in said housing movable between a first, stand-by position and a second, released position; latch means detachably engaging said plunger member for holding in its first, stand-by position; a spring means biasing said plunger member in a direction towards its released position, cam means on said sleeve for disengaging the latch means from the plunger member thereby enabling the latter to rapidly move from its first, stand-by position to its released position; and a shock wave initiating means located in the path of said plunger member and adapted to initiate a shock wave when struck by the plunger member.

REFERENCES:
patent: 414662 (1889-11-01), Tirmann et al.
patent: 1232814 (1917-07-01), Kruk
patent: 2432367 (1947-12-01), Andresen
patent: 3013571 (1961-12-01), Fulton
patent: 4153846 (1979-05-01), Watterback

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