US Patent 7752875 Multipoint lock

A lock for use as a multipoint lock, the lock having:a lock body,a lock tongue which is moveable between a locking position and a free position,an actuator to move the lock tongue,a deadlocking member in the lock body and which is moveable between a deadlocking position to deadlock the lock tongue and an undeadlocking position, and,attachment means attachable to a remote lock operator to move the operator without any lost motion.