What Are The Parts Of A Lock?

Parts of a door lock

• Trim: Sometimes called a rose, the trim is a decorative plate attached to the door under the knob or lever.
• Deadbolt:
• Escutcheon:
• Faceplate.
• Backplate:
• Latch bolt:
• Spindle:
• Strike plate:

What are the insides of a lock called?

The lock body, or lock cylinder, is the core of a door lock. The lock body turns to engage or disengage the lock’s bolt or latch when the appropriate key is used. In a mechanical lock, the lock body uses a series of spring-loaded pins to allow or stop the turning.

What is the metal part of a lock called?

A typical key is a small piece of metal consisting of two parts: the bit or blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.

What is the bar on a lock called?

A crash bar (also known as a panic exit device, panic bar, or push bar) is a type of door opening mechanism which allows users to open a door by pushing a bar.

What are the parts to 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 is the inside of a door knob called?

A keyway is the actual key cylinder that is inserted into the door knob. When a door knob is unlocked, the key is inserted into the keyway and the lock mechanism is unlocked as the key turns.

What are locks called?

Door Lock Types by Security & Use

Type	Security Rating	Best Used for
Cam Lock	??	Cabinets, Drawers, Mailboxes and Lower Security OEM applications
Knob Lock	?? ??	Interior Doors
Deadbolt	?? ?? ??	External Doors
Mortise Locks	?? ?? ??	Commercial Doors, Entry Glass Doors and Apartment Doors

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 are the parts of a deadbolt lock?

What are the Parts of a Deadbolt?

• Thumb-latch / Thumbturn. The thumb-latch (or thumbturn) is the part of your deadbolt inside your home that you use to lock and unlock your deadbolt.
• Deadbolt. The deadbolt is the piece of the lock that secures your door shut.
• Turnpiece / Tailpiece.
• Keyhole.

What is a Fox lock?

When I lived in a Manhattan loft, the apartment entrance door was a hollow metal door with a Police Fox lock on it. This type of lock has a bar that goes across the door beyond the frame and is held at the ends by 2 metal brackets. It is retracted and extended from within the brackets by turning a circular center knob.

What is the hole in a key called?

the keyway
Keyhole The hole into which the key enters to operate the lock or latch. It is often referred to as the keyway, particularly in a cylinder mechanism.

What part of a lock is the latch?

Bolt
The Bolt: Also called the latch, the bolt engages the inside of the door. There is a piece of metal that extends from the door into the frame itself. This bolt is used to hold it closed.

What is a door knob shank?

The shank is the projecting stem of a knob and contains a hole or socket to receive the spindle. The knob rose is a round plate or washer that forms a knob socket and is adapted for attachment to the surface of a door.

What are the parts of a door frame?

Door part names

• Door frame. The door frame is the entire framework supporting the door, including the sill, jamb and head.
• Sill. The door sill is the very bottom part of the door frame that rests on the floor.
• Jamb/door jam.
• Head.
• Panel.
• Astragal.
• Fixed panel.
• Door sweep.

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 lock jamb?

strike jamb, lock jamb
The vertical member of a doorframe on which the strike plate is installed.

What is a door latch guard?

Door latch guards prevent unauthorized access to the latch bolt on a lock set, which helps deter break-ins and avoid repairs. They are commonly used with mortise and cylindrical lock sets and can be installed in both left- and right-facing applications.

What is the latch plate?

Latch guards are metal plates that cover exposed latches and keep them from being tampered with. In order to gain forced access, a latch may be cut or pryed; but a latch guard can keep this from happening.

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 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.