What are the different parts of a doorknob?

Most doorknobs consist of 6 main components….Parts of a Door Lock

• Knobs and Handles.
• Rosette.
• Lock Cylinder.
• Spindle.
• Latch Assembly and Spring Bolt.
• Deadlocking Plunger.
• Strike Plate.

What is a door latch?

Door latches are a type of mechanical hardware used to fasten doors and keep them shut. A door latch uses a fastener attached to two ordinarily separated surfaces, most often the door and the frame, to prevent the door from swinging while still allowing normal operation when the latch is released.

What is a door throw?

The outward movement of a lock bolt and the distance which it travels under the action of a spring or key. Shoot applies more particularly to spring bolts, throw being a better word for dead bolts. 2. The sliding part of a door bolt.

What is the inner part of a door knob called?

Cylinder
The Cylinder: Also called the body, this is the part where the key is inserted. When it is locked, a series of spring-loaded pins are engaged by the cylinder. This keeps the cylinder from turning. The Bolt: Also called the latch, the bolt engages the inside of the 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 a passage latch?

Passage Latch Function The passage function is the most simple of the door locks we will discuss here. This door lock function is never locked and has no key or locking mechanism on either side of the door. It is often referred to as a passage latch instead of a lock.

What is a bore on a door?

Bore holes are the holes in the door that house your door hardware and allow it to be installed. The latch bore, also known as the edge bore, is the hole drilled from the side of the door into the cross bore to allow the latch of the lock to be installed and to accommodate the sliding of the deadbolt.

What is a strike plate?

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 reinforcement plate?

Reinforcers or door wrap around plates are three-sided metal plates that encase and strengthen the door around the latch, which is a door’s most vulnerable area. recess into the door edge so the reinforcer fits flush.

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 is the top part of a door called?

Head jamb The top horizontal section of a door or window frame is called the head jamb.

What is the middle rail on a door called?

Middle rail – Sits horizontally across the middle of the door. Not all doors have a middle rail. Bottom rail – Sits horizontally across the very bottom of the door. Stiles – This is the collective name for the vertical components that sit on the outside edge of a door.

What is the thing that opens and closes a door?

The entire contraption that opens and closes is the door. What it’s mounted to that affixes to the wall is the frame. Threshold A threshold can be slightly raised or set flush with flooring, but it’s the part that crosses underneath the bottom of the door, on the floor and extending to both sides.

What is the knuckle on a door knob called?

The knuckles hold the pin in place and allow the door to swing. Lockset Also known as hardware, this is everything used that secures, keeps closed or locks the door. The lock and knob or handle typically come as a set sold in a single package.