Initiation of the blasting charge for a submunition uses wings which rotate the percussion needle while the charge is sliding until they are in line and the percussion needle hit the charge after the submunitions hit the target

摘要

Once the submunitions are launched from the rocket, the aerodynamical forces make the wings (22) to open. The wings movement free both the auto-disintegration cord (21) and the pulling cord. The pulling cord pulls the percussion needle (12), which rotates integrally with the wings until it reaches the high position. The other cord pulls the lock which was blocking the slide block (16) , which in turn was blocking the barrel (14) carrying the initiating blasting charge (20). The charge and the percussion needle are on the same line and the percussion needle is propelled against the charge by inertia once the submunitions hit the target. If the charge does not goes off as planned the auto-disintegration system initiates the explosion a pre-determined time after the pulling of the lock.