Patent ID: 6363830
Filing Date: 2002-04-02
Classification: F41H

Abstract:
In a wheeled military vehicle having an occupant cab for use by personnel, the cab having at least one entrance, the entrance being closed with a door, the door being hinged on one side and secured to the cab opposite the hinges by a latching means, the cab having a ballistic blast shield, the ballistic blast shield serving to protect the cab occupants in the event of a land mine detonation, wherein the improvement comprises: forming the blast shield with a reactive arm attached, the reactive arm being juxtaposed one edge of the door and adapted to move in a plane outside the door, a cam surface attached to the vehicle and associated with the reactive arm, a mine blast acting on the blast shield causing the reactive arm to contact the cam surface moving the reactive arm from a first ready position near an edge of the door to a second blocking position where the reactive arm has moved to cover at least a portion of the door to interfere with door movement to retain the door in a closed position during the duration of the mine blast; whereby, the occupants of the cab are protected from ejection from tie vehicle for the duration of the blast effect.