Explosively activated impact switch with interlocking contacts

Details Explosively activated impact switch with interlocking contacts Explosively activated impact switch with interlocking contacts

1986-01-10

1987-06-23

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

102262, F42C 1906

Patent

active

046744061

ABSTRACT:
A method and apparatus for detonating an explosive in response to the dettion of a remote explosive without damaging any components positioned intermediate the two explosives. An impact switch having contact elements that permanently interlock when activated is positioned adjacent to one of the explosives. A power supply is connected to the impact switch, and the output from the power supply is connected to the detonator for the second explosive. When the first explosive is detonated, the contact elements of the impact switch close, permanently interlocking. This completes and activates an electrical circuit with the power supply that sends current to the detonator of the second explosive to initiate detonation of the second explosive. The preferred embodiment positions the impact switch with the power supply adjacent to an electronic time fuze detonator and lead charge at the forward end of a cargo-carrying projectile, whereas the second explosive is positioned at the rear of the projectile for initiating ejection of a payload. In another embodiment the current from the power supply is also used to sequentially start a series of timer circuits that will detonate a series of explosive charges to sequentially eject a series of payload cargoes from a projectile.

REFERENCES:
patent: 2454281 (1948-11-01), Hicks
patent: 3698323 (1972-10-01), Apstein et al.
patent: 4178855 (1979-12-01), McVay et al.
patent: 4335655 (1982-06-01), Lofgren

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