Patents Assigned to Usine de Metallurgie du Berry (UMB)
  • Patent number: 4431044
    Abstract: A security shutter resistant to forced entry comprising a fixed frame and panels. The panels are provided with upper and lower brackets with which there cooperate locking elements to unite the panels and the frame in the closed position of the shutter. The locking elements are moved by rods and connected to levers which are unitary with control bars. The shutter is resistant to break-ins.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: February 14, 1984
    Assignee: Usine de Metallurgie du Berry (UMB)
    Inventor: Paul Bruneau