How Does a Lock Protect Doors and Windows?
Standard Door Locks Protect The Home Most entryway doors feature a combination of locks; these locks individually provide basic protection from unauthorized entry. Working in concert, however, multiple locks provide exponentially increased home security. The most basic home lock is the typical keyed entry door handle. Locked by a simple twist of an inside knob, the lock disables the outside door handle, making entry difficult for anyone without a key. When an authorized person inserts their key into a hole on the outside doorknob, though, the lock can be opened and entry permitted. A more advanced, but still common, doorway lock is known as a deadbolt. Designed specifically for home security, the deadbolt is also activated by a simple twist from just inside the door. Rather than disabling the doorknob, though, the dead bolt lock extends a bolt of solid steel into a recessed area in the door frame. Because this lock is independent of the standard door security, authorized users must ins
