Accession Number : ADD012951

Title :   Explosively Activated Impact Switch with Interlocking Contacts.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC

Personal Author(s) : Freiling,Albert J

Report Date : 23 Jun 1987

Pagination or Media Count : 6

Abstract : A method and apparatus for detonating an explosive in response to the detonation 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 impacts 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. (Patent).

Descriptors :   *ELECTRIC SWITCHES, ACTIVATION, DETONATORS, ELECTRONIC EQUIPMENT, TIME FUZES, PROJECTILES, EXPLOSIVE CHARGES, CIRCUITS, EXPLOSIVES, EJECTION, CARGO, IMPACT, BLAST, FIRING CIRCUITS, EXPLOSIVE CHARGES, ELECTRIC CONTACTS, TIMING DEVICES, PAYLOAD

Subject Categories : Ammunition and Explosives

Distribution Statement : APPROVED FOR PUBLIC RELEASE