Safety - and sharpening device for fuse of projectiles with a vibration protection means

摘要

The field of the present invention is that of the safety and arming devices for the stub axles which are intended to equip the gyrating missiles. & br / the safety and arming device according to the invention comprises a rotor (8) which porle a primer (9) and is held by a lock (15, 29) in a position in which the primer is not aligned with a pyrotechnic chain, this device is characterized in that the lock (15, 29) is held in abutment on the rotor (8) by means of immobilization (17 a, 30) is sufficiently rigid to maintain this pressure when the device is subjected to stresses of a shock or vibration, locking means for releasing the lock (15, 29) following the projectile is fired. & br / application to the medium calibre ammunitions.