Patent ID: 9435147
Filing Date: 2016-09-06
CPC Classification: E05B

Claim Text:
1. An Emergency Barricade System (EBS) for securing a door in a doorway leading to a barricadable area, said EBS comprising: a casing with a longitudinally oriented bore which has a first open end and a second open end; means to attach the casing to the surface of the door which is internal to the barricadable area with the longitudinally oriented bore generally perpendicular to the lower edge of the door and the first open end of the bore generally aligned with the edge of the door; a sliding element (SE) located in the casing's bore which is longer than the bore and has a longitudinal cavity and a first end and a second end, the SE being capable of being moved longitudinally to a engaged position wherein the first end of the SE protrudes through the first open end of the bore to engage a bolt-hole in the doorway; a foot pedal means which is attached to the second end of the SE to move the SE longitudinally within the bore of the casing; a return spring means confined between the second open end of the bore of the casing and the foot pedal to normally urge the SE away from the bolt-hole and maintain the SE in a disengaged position; a locking means to lock the SE in place when the foot pedal means is pressed to move the SE to the engaged position, the locking means comprising a toggle bar and a toggle bar spring, the toggle bar being pivotingly attached at its lower end within the longitudinal cavity of the SE, the toggle bar spring maintaining the free end of the toggle bar in a swung out position towards the inside surface of the bore, the bore further having an engaging surface to engage the free end of the toggle bar in the swung out position and arrest the SE in the engaged position against the action of the return spring means; and an unlocking means which engages the locking means to unlock the SE from the engaged position and allow the return spring means to return the SE to the disengaged position.