Patent ID: 8146294

Claim:
A door locking system to prevent opening of a door, system comprising: a first door and a second door being adjacent to each other, at least one of said first and second doors is a sliding door; a mounting plate having a first side, a second side, a first lateral edge, a second lateral edge, an upper edge and a lower edge, said first side being attached to said first door at a position adjacent to said second door; a hinge plate having a hinged edge being hingedly coupled to said mounting plate and a free edge positioned opposite of said hinged edge, said hinge plate being selectively positioned in a deployed position extending outwardly from said second side; and a stop including a leg having a first end and a second end and an arcuate arm being attached to said leg, said first end of said leg being hingedly coupled to said mounting plate adjacent to said hinged edge of said hinge plate, a distal end of said arm with respect to said leg being hingedly coupled to said mounting plate to position said hinge plate between said first end of said leg and said distal end of said arm, said stop releasably engaging said hinge plate when said hinge plate is in said deployed position to retain said hinge plate in said deployed position and preventing the sliding of the first and second doors with respect to each other.