Safe and arm device and explosive device incorporating same

Details Safe and arm device and explosive device incorporating same Safe and arm device and explosive device incorporating same

2005-02-28

2011-10-25

Lee, Benjamin P (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Impacting devices

C102S216000, C102S254000

Reexamination Certificate

active

08042471

ABSTRACT:
A safe and arm (S&A) device is disclosed. The device utilizes a no-fire separation distance and a mechanical configuration of primary explosive/booster explosive and secondary explosive to establish a safe mode. While in safe mode, the device would allow no more than 1 in 1 million detonation transfers to occur from primary to secondary. In armed mode, the no-fire separation distance is taken away, allowing reliable detonation transfer. Two arming environments, which occur after launch and safe separation, are used to move the S&A device to armed mode. The first environment is the release event of the projectiles from their packed state in a dispenser. The second environment is a target sense mechanism. If either arming environment returns to its original state, the mechanism returns to safe mode. The S&A device will not allow inadvertent packing into the dispenser of explosive devices in the armed state.

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Matthew A. Michel et al., U.S. Appl. No. 11/066,782, filed Feb. 28, 2005, entitled “Safe and Arm Device and Explosive Device Incorporating Safe and Arm Device”.

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