Scandinavians in the viking era adopted the use of locks many of these ancient type locks are still used and can be found on old farm buildings throughout scandinavia.
Types of door locks.
Other knobs levers and handlesets have indicator lights built in alarms and additional options.
These locks require a key which could be dangerous in emergencies.
Padlocks are one of the simplest types of door locks.
Ideal for small closets pantries or interior doors.
Types of knob locks and their ideal use.
Single cylinder deadbolts are the simplest ones and can be activated from one side via a key.
Dummy door knobs includes no locks or keys.
A single double and lockable thumb turn deadbolt features a thumb turn inside that can be locked with a key.
These locks aren t attached to anything else but instead lock into themselves.
Best used in basements and essential storage space.
The best lock for a wooden door is a lock that meets the requirement of bs3621 the type of lock fitted can be a night latch mortice deadlock or mortice sash lock.
The celts also began using locks a smaller sliding style bolt that was positioned inside a wall or door and contained protruding holes that would catch on top of the bolt.
Padlocks can be small or large and usually are square or rectangle shaped with a u shaped bar.
Some door handles have antimicrobial coatings to help prevent the spread of certain germs and bacteria.
Great for interior hallways large closets etc.
The main types of deadbolts that exist are the single cylinder deadbolt and the double cylinder deadbolt.
Single deadbolts found on most front doors this type of lock has the keyhole on the outside of the door and an affixed thumbturn on the inside.
Deadbolt locks come in three types.
The locking mechanism comes from the door knob itself so repeated exertion of force can cause the knob to break.
Keyed entry door locks smart door locks and electronic locks use wireless technology to open and close doors.
Double deadbolt locks this door lock type has a key cylinder on both sides of the door and no thumbturn.
Deadbolts provide the highest level of front door security.
A double cylinder deadbolt can be used with a key from both sides.
A non tested night latch can be used for access but it must be supported with a tested lock so you would have two locks on the door.
Door knob locks are likely one of the most common locks that you will find in homes especially in interior spaces like bedrooms.
Single double and c.
Passage door knobs turnable and has latch.
To ensure your door locks provide solid home security choose locks and deadbolts that are pick resistant and bump proof.
The relevant difference between these two deadbolt door lock types is that the single cylinder has a keyed cylinder on one side of the door whereas the double cylinder makes use of a keyed cylinder on both sides of the door.