The leaf that opens first and the one to which the lock is applied.
Indicates that the individual so identified is a qualified Architectural Hardware Consultant and member of the Door and Hardware Institute.
A latch bolt designed to reduce friction when the bolt starts to engage the lock strike.
Term applied to all hardware used in building construction but particularly that used on or in connection with doors, windows, cabinets and other movable members.
A plate similar to a kick plate but covering the door to a greater height, usually 40” (1040 mm) or more from the bottom.
A molding or strip whose purpose is to cover or close the gap between the edges of a pair of doors. Some types overlap, others meet at the center line of the gap.
A supplementary latch that automatically deadlocks the main latch bolt when the door is closed. (Also called Deadlocking Latch Bolt.)
A lock that is installed in addition to the primary door lock to provide additional security.