Patent ID: 7775253

Claim:
A security shutter comprising a) at least two shutter units each having a backside, a front, a first panel with a first vertical support and an opposing side and a second panel with a second vertical support and an opposing side; b) wherein each said first panel includes a plurality of 1 st slats with a respective 1 st open space between every 2 adjacent 1 st slats, each 1 st slat having a horizontally-oriented 1 st longitudinal axis and each said second panel includes a plurality of 2 nd slats with a respective 2 nd open space between every 2 adjacent 2 nd slats, each 2 nd slat having a horizontally-oriented 2nd longitudinal axis parallel to every 1 st longitudinal axis, the position of each of the 1 st plurality of slats is fixed relative to said first vertical support and the position of each of the 2 nd plurality of slats is fixed relative to said second vertical support such that when said 2 nd panel overlays said first panel, each respective 1 st longitudinal axis lies in a respective 2 nd open space, and each respective 2 nd longitudinal axis lies in a respective 1 st open space, said 1 st open spaces located in a plane located behind said 2 nd open spaces; c) a first piano hinge for attaching said opposing side of said first panel of each said unit to a building structure wherein said first piano hinge runs substantially the entire length of said first panel; d) a second piano hinge for associating the vertical support of said first panel of each said shutter unit with the opposing side of said second panel of each said shutter unit wherein said second piano hinge runs substantially the entire length of said first and second panels; e) means for securing said first shutter unit and said second shutter unit together comprising a bracket and a locking device; and f) said bracket comprising a first channel complementary to and partially surrounding the vertical support of said second panel in said first shutter unit, a second channel complementary to and partially surrounding the vertical support of said second panel in said second shutter unit, and a tab extending between and beyond said first and second channels to the backside of said shutter units.