Patents Assigned to SMI S.A.
  • Protective helmet of the movable segment type
    Patent number: 4827537
    Abstract: A protective helmet has a plurality of segments that are interhinged for swinging movement between an expanded operating position and a collapsed non-operating position, and have cooperating ribs and recesses to maintain them in the expanded operating position. There also are pin and slot connections between the segments adapted positively to guide the segments so as assure a correct moving of the segments and a correct reciprocal engagement of the ribs and recesses.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 9, 1989
    Assignee: SMI S.A.
    Inventor: Paolo Villa