What Is The Lock On A Door Knob Called?

Deadbolt. A deadbolt is a locking mechanism that mounts much like a door knob. Most exterior doors are locked with a door knob, and also a deadbolt. The deadbolt bore hole is directly above the door knob hole. When a lever is turned, a solid steel cylinder is inserted deep into the door jamb to securely lock the door.

What are the names of the parts of a door knob?

Parts of a Door Lock

• Knobs and Handles. The common door lock will have two knobs or handles—one on the inside of the door and one on the outside.
• Rosette. The rose or rosette is typically a round plate that serves two functions.
• Lock Cylinder.
• Spindle.
• Latch Assembly and Spring Bolt.
• Deadlocking Plunger.
• Strike Plate.

What are those door locks called?

Doorknob locks are, perhaps, the most common type of lock you’ll see on homes, especially on inner doors, like bathrooms and bedrooms. They’re also often one of the kinds to grace the front door, in combination with a deadbolt or other, more secure, lock. Doorknob locks have the locking mechanism within the doorknob.

What are the parts of a lock set?

The components of a lockset can include (but are not limited to) the door handles (commonly both inside and outside), latch bolt, dead bolt, face plate, strike plate, escutcheon, thumbturn, push button, turn button, and other trim.

What is a lock strike?

Definition of lock strike
: a metal fastening on a doorframe into which the bolt of a lock is projected to secure the door.

What is a trim lock door knob?

Trim: Sometimes called a rose, the trim is a decorative plate attached to the door under the knob or lever. Depending on the lock you choose, there are a number of available trim styles and finishes to meet your specific preferences and that fit the uniqueness of your home’s look and style.

What are the 7 types of locks?

The Many Different Types of Locks

• Padlocks. One of the most common lock types around, padlocks are also among the most recognizable locks on the planet.
• Deadbolts.
• Knob Locks.
• Lever Handle Locks.
• Cam Locks.
• Rim/Mortise Locks.
• Euro Profile Cylinders.
• Wall Mounted Locks.

What’s a sash lock?

A sash lock is sometimes called a mortice sashlock, and has a dead bolt and latch combined within a case. Sash locks are fitted into the material of a door, rather than onto the surface, and are designed to work with a pair of door handles.

What is a rosette on a door knob?

Door rosettes are small, circular pieces of hardware that fit around doorknobs to hide the internal door mechanisms. Doorknob rose plates are rectangular or oblong pieces that fit around doorknobs and have an opening for keys.

What is a Latchbolt?

Latchbolts – These latches feature a spring-loaded bolt that is angled off at the top edge.Once the bolt passes a certain point, it will fully extend and quickly lock into the strike plate due to the pressure being released from the spring, securing the door and holding it closed.

What is the strike plate on a door?

Strike Plate
This is the plate the latch-tongue, or deadbolt-tongue will connect with. It should sit flush with the door jamb. Any passage or privacy set needs to have a strike plate for the door to latch. Additionally, deadbolts need a strike plate to properly lock.

What is a door cylinder?

The cylinder is the locking mechanism of an entry door set. It may be integrated with a the deadbolt of a mortise lock or mounted independently as part of a separate deadbolt.One can secure the door from inside, as well as exit the house without a key, making this the most popular option.

What is a cross bore on a door?

The cross bore is the small hole on the edge of the door. The door latch is inserted into the cross bore first. The latch goes through into the large bore hole and then the door knob is mounted The backset is the distance from the edge of the door to the center of the large bore hole.

What are the parts of a mortice lock called?

The parts included in the typical US mortise lock installation are the lock body (the part installed inside the mortise cut-out in the door); the lock trim (which may be selected from any number of designs of doorknobs, levers, handle sets and pulls); a strike plate, or a box keep, which lines the hole in the frame

What is door edge prep?

Most interior doors are prepped with a single boor hole.Through the edge of the door there is a 1” cross bore that extends from the edge of the door through the bore hole. This cross bore is where the latch is installed. In addition to the two cross bores, a door can be prepped for one of 3 different types of latches.

What are the different types of locks called?

Although there are many types of locks, the four most common are padlocks, deadbolts, knob locks, and levers.

• Padlocks.
• Deadbolts.
• Knob Locks.
• Lever Handle Locks.
• Cam Locks.
• Rim/Mortise Locks.
• Euro Profile Cylinders.
• Wall Mounted Locks.

What are the two types of locks?

There are two types of lock:

• Shared lock: It is also known as a Read-only lock. In a shared lock, the data item can only read by the transaction.
• Exclusive lock: In the exclusive lock, the data item can be both reads as well as written by the transaction.

What are the 3 types of key operated lock?

Key-operated locks include:

• Cylindrical Locksets—Often called key-in-knob or key-in-lever locks.
• Dead-Bolt Locks—Sometimes called tubular dead bolts.
• Mortise Locks—Mortised or recessed into the edge of the door.
• Drop-Bolt Locks (often called jimmy-proof locks)—Auxiliary locks similar to dead bolts.

How many types of door locks are there?

All Locked Down
There are plenty of other door locks and many fall within the five categories of knobs, deadbolts, cam locks, padlocks and mortise locks. For example, lever handle door locks are used for inner doors and work much like knob locks.

What’s the difference between a deadlock and a sash lock?

A deadlock is a mortice lock which has just a key hole and a bolt. A sash lock has a bolt and a latch and a pair of handles.The deadlocks on a mortice lock also mean that if a burglar breaks in through a window they can not escape through the door, providing you have not left the key in the lock on the inside.

What is a Euro sash lock?

Sash locks combine a locking bolt with a latch operated by a handle.They can be used on a wide range of doors, and our range contains a variety of sizes of sash lock case to suit different types of doors.