Arrangement to prevent a premature ignition of an active...

Details Arrangement to prevent a premature ignition of an active... Arrangement to prevent a premature ignition of an active...

F - Mech Eng,Light,Heat,Weapons

42

C

F42C 15/24 (2006.01) F42C 15/00 (2006.01) F42C 15/31 (2006.01)

Patent

CA 2061426

An arrangement to prevent a premature ignition of an active charge, which is to be ignited by means of an adjustable time-delay fuze and belongs to a projectile that is expended from a firing barrel by means of a propellant charge, is provided which is based on a mechanical and a pyrotechnical safety element. In so doing, the ignition path between a first delay element ignited while firing and the active charge of the projectile can be blocked by a barrel probe that can be moved at right angles to the firing direction and that in its position blocking the ignition path can be arrested by an acceleration probe that can be moved counter to the firing direction and, as long as the projectile is located in the firing barrel, by the firing barrel wall. A second delay element, that can also be ignited while firing and exhibits a shorter delay period than the first delay element, pressurized the barrel probe with gas pressure in the direction of its end safety position following expiration of its delay period.

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