Emergency lever handle for narrow stile deadbolt locks

Details Emergency lever handle for narrow stile deadbolt locks Emergency lever handle for narrow stile deadbolt locks

E - Fixed Constructions

05

C

E05C 3/12 (2006.01)

Patent

CA 2047101

Abstract The majority of locks used on commercial buildings are of the Bradstock type manufactured by Adams Rite Incorporated. These locks are generally locked from the outside with a key and from the inside with a thumbturn. Because the thumbturn may be difficult to operate in panic conditions where there may be pressure against the door by people trying to get out, a thumbturn is a very undesirable lock and many jurisdtictions in North America have legislated against them and have suggested ninety degree door handles in their place. This invention therefore relates to the provision of a kit of parts that will permit the conversion of such locks from the thumbturn to a ninety degree turn handle for the locking or unlocking of the door from the inside. These conversions do not require the removal of the lock from the door for installing the kit or any modifications of the lock.

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