US Patent 7124449 Protective helmet assembly having lightweight suspension system

There is provided a protective helmet assembly that includes a shell, a suspension band, and an adjustable headband and a crown pad. The shell is constructed from at least PARA-ARAMID to provide ballistic protection. The suspension band is attached to the shell. The adjustable headband and the crown pad collectively adjust to a shape of a head of a user while maintaining the head of the user in a non-direct-contact relationship with the shell. The adjustable headband and the crown pad each have a plurality of screw less connectors for directly securing the adjustable headband and the crown pad to the suspension band without screws.