Door security system

E - Fixed Constructions – 05 – C

Patent

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Details

E05C 17/04 (2006.01) E05B 17/20 (2006.01) E05C 17/36 (2006.01) E05C 19/18 (2006.01) E05D 11/00 (2006.01)

Patent

CA 2131511

A door security system that includes an interior component system, an exterior component system, a hinge screw component, and a door striker component. The interior system consists of a pair of plates, one mounted on the door and the other mounted on the door jamb. Each plate includes a flanged portion having a pair of apertures. A bolt consisting of a rod and a hook is inserted through one aperture of each plate to secure the door to the door assembly. A chain and hook system is connected between the other two apertures of the respective plates. When only the chain is used, the door can be safely opened partially to preview the prospective visitor. The exterior component consists of a flanged plates wherein a flanged portion is designed to fit into a corresponding slot in the door jamb to inhibit forceful entry into the dwelling. The hinge screw components includes a screw having a threaded portion and a protrusion member. The screw of a traditional hinge is replaced with the hinge screw to prevent a closed door from being removed from their hinges when the hinge pins are removed. The door striker component reinforces the drive-in style of dead bolts by supporting the outer edge of the bolt collar.

Cette invention concerne un système de sécurité pour porte composé d'un ensemble intérieur, d'un ensemble extérieur, d'une vis de charnière et d'une plaque de renfort de gâche. L'ensemble intérieur se compose d'une paire de plaques, une vissée au montant du cadre de porte et l'autre à la porte elle-même, Chacune de ces plaques comporte un rebord comprenant une paire d'ouvertures. Un verrou prenant la forme d'une barre à crochet s'insère dans les ouvertures correspondantes des deux plaques pour verrouiller la porte. Une chaîne à crochet montée dans l'autre ouverture d'une des plaques permet d'entrebâiller la porte lorsque le crochet est passé dans l'ouverture correspondante de l'autre plaque. L'ensemble extérieur se compose d'une plaque à rebord dont la partie repliée est conçue pour se loger dans une gorge ménagée dans le montant du cadre de porte pour empêcher de forcer la porte. La vis de charnière a une tête faisant saillie sur l'aile de la charnière pour empêcher le décrochage de la porte une fois l'axe de charnière enlevé. La plaque de renfort de gâche consolide les serrures à pêne dormant en distribuant les forces d'effraction sur une plus grande surface.

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