US 5,694,867 A · Fail-safe access control chamber security system

Abstract

A fail-safe access control chamber security system (ACCSS) including a bullet-proof access control unit (ACU) having an entrance chamber and an exit chamber. The entrance chamber includes a first interlocking door providing passage from a non-secure area into the entrance chamber and a second interlocking door providing passage from the entrance chamber to a secure area. The entrance chamber includes a first floor mat and a second floor mat located between the first and second doors to determine the location of a person within the entrance chamber. A metal detector is provided between the first and second floor mats and the system includes arrangements for preventing entrance into the secure area if a weapon is present. Control circuitry prevents the simultaneous opening of the first and second doors. The exit chamber includes a third interlocking door for providing passage from the secure area into the exit chamber and a fourth interlocking door providing passage from the exit chamber to the non-secure area. A third floor mat located between the third and fourth doors determines the location of a person within the exit chamber. The system includes arrangements for preventing the simultaneous opening of the third and fourth doors.

Claims32

Dependent claims

An access control vestibule comprising;

an aluminum frame having a rectangular shape and forming a front side, a rear side, a ceiling, a side wall and a floor;
an entrance door and an exit door;
an entrance chamber formed between the entrance door and the exit door;
the two doors having an aluminum frame and a transparent ballistic glass panel mounted therein;
the two doors each being a single, manually operated door and swingable towards the outside of the entrance chamber;
a magnetic lock associated with each of the entrance door and exit door;
a metal detector located at a mid-point of the entrance chamber;
the aluminum frame on the side wall including a vertical frame member positioned at a mid-point along the side wall;
the side wall having two pieces of transparent ballistic glass panels mounted therein;
and,
control means to prevent both doors from being unlocked at the same time, and to prevent the exit door from being unlocked when the metal detector detects a metal object within the entrance chamber.

8 more elements

An access control vestibule comprising;

a main frame forming a front side, a rear side, and a wall side, the main frame being made of aluminum;
a front door frame mounted to the front side of the main frame, the front door frame being made of aluminum;
a front door having an aluminum frame and a transparent ballistic glass panel, the front door being swingably mounted within the front door frame such that the door swings outward;
a rear door frame mounted to the rear side of the main frame, the rear door frame being made of aluminum,
a rear door having an aluminum frame and a transparent ballistic glass panel, the rear door being swingably mounted within the rear door frame such that the door swings outward;
both doors being manually operated;
an entrance chamber formed between the front door and the rear door;
a side wall mounted to the main frame along the wall side, the side wall including two panels of transparent ballistic glass separated by a vertical frame member, the two panels having the same size and shape;
a pair of magnetic locks, each mounted to the respective door frames;
a metal detector located in the entrance chamber and mid-point between the two doors;
and,
control means to prevent both doors from being unlocked at the same time, and to prevent the rear door from being unlocked when the metal detector detects a metal object within the entrance chamber.

9 more elements

Dependencies are inferred from the claim text.

Fail-safe access control chamber security system

Life of this patent

Fail-safe access control chamber security system

Life of this patent

Abstract

Claims32