Fire plate for a bored in lock assembly

Details Fire plate for a bored in lock assembly Fire plate for a bored in lock assembly

E - Fixed Constructions

05

B

E05B 9/00 (2006.01) A62C 2/06 (2006.01)

Patent

CA 2628755

A fire plate for receiving a bored in lock assembly and preventing passage of fire through a lock opening bored perpendicularly through a fire door. The fire plate is particularly adapted for use with integrated lock and latch assemblies that are designed for installation through a latch opening bored from an edge of the door into the lock opening. The latch opening has a diameter less than the lock opening and the fire plate blocks the space above and below the lock assembly in the lock opening to prevent the passage of smoke and fire through the lock opening. The fire plate includes two fire stop barriers that may be formed by bending from a sheet of spring steel and which preferably snap into engagement with the lock assembly as it is inserted from the latch opening into the lock opening.

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