Patent ID: 8161878
Filing Date: 2012-04-24
Classification: F42C

Abstract:
1. A safety and arming unit for a fuze of a projectile having a firing chain, comprising: a rotor for interruption of the firing chain, said rotor being rotatably disposed for rotation from a safe position to an armed position; a first rotor safety device and a second rotor safety device each disposed to engage in said rotor in order to block a rotation of said rotor into the armed position; said first rotor safety device being configured to carry out a release movement by virtue of an inertia thereof during a launch acceleration of the projectile; and said second rotor safety device including a pyrotechnic charge for effecting a release movement; wherein the release movement carried out by said first rotor safety device is directed in a first release direction and the release movement effected by said second rotor safety device is directed in a second release direction, and the first and second release directions are parallel to one another.