The present invention relates to a security locking system of the type comprising a cylinder (3) provided with a set of pistons (8) that are able to be positioned by elastic means on the impression formed in the edge (7b, 7c) of a control key (7) perpendicularly to the direction in which said key (7) is introduced into the cylinder (3), these pistons (8) being able to take up two positions, namely a position retracted into the cylinder (3) when the key (7) is introduced into the latter and an extended position when the key (7) is withdrawn there from. This system is characterized in that:—the cylinder is made up of a locking block (3) of parallelepipedal shape that is able to be received in a receiving block (5),—it comprises locking means which are activated when the locking block (3) is introduced into the receiving block (5).

A stop to barricade a door from forced entry. The stop includes an upper portion designed to contact the door to barricade it against forced entry, and a lower portion that fits within a receptacle that is recessed into the floor. The stop can be removed from the receptacle when the user doesn't desire to barricade the door. When the stop is placed in the receptacle, the stop is preferably configurable by the user in two modes: a first that allows the user to slightly open the door by a gap, and a second that barricades the door when it is shut. Barricading the door in this second mode is beneficial because it allows the user to look through the gap to verify the identity of a person on the outside of the door, and/or to receive an item through the gap while not opening the door completely.

A door security apparatus includes a storage container including a slot, a door-locking member and a sensor assembly. The door-locking member is removably disposed within the slot of the storage container. The sensor assembly is associated with the door-locking member. The sensor assembly is configured to detect removal of the door-locking member from the slot of the storage container.

A security device can be provided to selectively restrict or prevent the opening of a sliding door, sliding window, or other sliding panel or other closure. For example, the security device can include a base plate that selectively engages a barricade member (or lock rail). While the barricade member is engaged with the base plate (in a locked state), the barricade member and base plate cooperate to restrict or prevent the sliding door, window, panel or other closure from moving to an open position (or moving out of a closed position). The barricade member can be moved relative to the base plate (to an unlocked state) to allow unrestricted movement of the sliding door, window, panel or other closure. The security device can include stop members that may restrict or prevent complete removal of the barricade member from the base plate.

A door locking device includes a mounting plate configured to be mounted to the door; a reinforcement gusset extending outward from the mounting plate, the reinforcement gusset defining an extension portion; and a wall engagement member adjustably affixed to the extension portion of the reinforcement gusset and laterally offset from the mounting plate; wherein the wall engagement member is movable relative to the extension portion in a direction substantially perpendicular to the mounting plate, and wherein the extension portion is configured to confront a wall adjacent to the door.

The present invention discloses a door bracket assembly in a locked and unlocked position according to a door situation of the either being closed or open. The door bracket includes a locking assembly to perform a locking mechanism with a pair of locking elements. The pair of locking elements is in a first position, where the locking mechanism is disengaged and the door bracket is unlocked. In a second position, where the locking mechanism is engaged and the sliding door latch is locked.

An apparatus for providing improved security to an outward-swing door of a vehicle. The outward-swing door is on a sidewall of a main housing of the vehicle and has a pivotal end and a distal end opposite to the pivotal end. The outward-swing door is outwardly pivotable about the pivotal end thereof. The apparatus comprises a connecting structure for coupling to a bottom wall of the main housing, a base structure for coupling to the connecting structure so as to locate adjacent the outward-swing door and outside a swing path of the outward-swing door, and a blocking structure demountably coupled to the base structure, at least a portion thereof extendable into the swing path of the outward-swing door for restricting the outward-swing door to open to a predefined maximum extent.

A lockdown system for use in a building including multiple rooms with doors providing access to the rooms, the lockdown system including: at least one room lockdown component provided in each of a plurality of the rooms, the room lockdown components comprising door-securing devices that are external of the doors and, in a deployed condition of the room lockdown components, are manually positioned inside said rooms to oppose inward movement of the doors and thereby block or secure the doors, the room lockdown components further characterized by a non-deployed condition in which the door-securing devices are positioned at storage locations inside the rooms, and wherein further each room lockdown component is operative to automatically signal initiation of a lockdown event when its door-securing device has been moved from its storage location; and at least one communication device operative to receive the signaled initiation of a lockdown event when any one or more of the door-securing devices have been moved from their storage locations, and to provide an alert notification of the initiation of the lockdown event.

A door top child safety lock mechanism comprises a body slidably mountable on a door top and a channel and a locking plate. The channel includes a web extending between first and second flanges. The lock plate extends from the first flange and defines a locking slot extending along a slot axis. The lock plate further defines an interlock cut-out formed along a distal edge, relative to the first flange, of the locking slot, wherein first width W.sub.G at the interlock cut-out is greater than second width W.sub.L in a region that is laterally intervening between the interlock cut-out and the open end of the locking slot. A peg is mountable to a door frame and configured to slide through the open end of the locking slot and between the proximal and distal edges of the locking slot.

An apparatus for providing improved security to an outward-swing door of a vehicle. The outward-swing door is on a sidewall of a main housing of the vehicle and has a pivotal end and a distal end opposite to the pivotal end. The outward-swing door is outwardly pivotable about the pivotal end thereof. The apparatus comprises a connecting structure for coupling to a bottom wall of the main housing, a base structure for coupling to the connecting structure so as to locate adjacent the outward-swing door and outside a swing path of the outward-swing door, and a blocking structure demountably coupled to the base structure, at least a portion thereof extendable into the swing path of the outward-swing door for restricting the outward-swing door to open to a predefined maximum extent.