Patent ID: 6374551
Filing Date: 2002-04-23
Classification: B60J,E04H,E05B,E05D,E05Y,E06B

Abstract:
A structural reinforcement system for an opening in a building, said building being supported by a foundation, said opening being defined by a frame, the structural reinforcement system comprising:a track means, said track means including a first track and a second track rigidly engaged to said frame, said first track having a substantially vertical section, said second track having a substantially vertical section; a movable panel adapted to move in a first direction to substantially close said opening and to move in a second direction to substantially open said opening, said movable panel comprising a plurality of substantially elongated hingedly connected panel members, each of said panel members including track engagement members disposed on opposing ends, said track engagement members being adapted to be received within said first and second tracks; and a restraining means for substantially restraining said movable panel with respect to the track means, the restraining means having a shear force transmitting position and a non-shear force transmitting position, the movable panel, the track means, and the restraining means configured to provide substantial in-plane lateral and vertical shear load resistance when a force is applied to the frame with the restraining means in the shear force transmitting position.