The tailpiece is the part of the lock that extends from the outside housing (where you insert your key), through the bolt, to the interior thumb turn.
What are the parts of a door 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 parts of a door bolt called?
The Anatomy of Door Locks
- Traditional and electronic locks.
- The Cylinder: Also called the body, this is the part where the key is inserted.
- The Bolt: Also called the latch, the bolt engages the inside of the door.
- The Box:The bolt extends from the cylinder into a hole that is designed to fit the bolt perfectly.
What is a cam cylinder?
A cylindrical cam or barrel cam is a cam in which the follower rides on the surface of a cylinder. In the most common type, the follower rides in a groove cut into the surface of a cylinder. These cams are principally used to convert rotational motion to linear motion parallel to the rotational axis of the cylinder.
How do you rekey a cylinder lock?
How to Rekey a Lock
- Step 1: Remove the Doorknob. The first step is to remove the doorknob from the door.
- Step 2: Remove the Cylinder.
- Step 3: Take Out the C-Clip.
- Step 4: Attach Key Plug.
- Step 5: Dump the Old Pins.
- Step 6: Insert New Pins.
- Step 7: Replace the Plug.
- Step 8: Reattach Knob to Door.
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.
Why do door latches have two parts?
The main latch is supposed to fall into the strike hole on the door frame, the little part is supposed to sit on the surface of the strike (not fall into the hole). This feature is meant to keep someone from retracting the latch from the outside of the door with a credit card or other device.
How does a rack bolt work?
These Rack bolts shoot a bolt into the door using the key or the thumbturn, and in doing so offer an additional level of security on the door. They are usually operated by a simple ‘star’ type key, so are best suited to providing secondary security and combined with other primary security options.
What is the hole that a lock goes into called?
Keyhole
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. Key Steps or key depths this term usually means the bolt step and lever steps of a key for a lever lock.
What is a radial cam?
A radial cam converts a rotational motion into a translational motion of the follower. The displacement of the follower is determined by the cam’s profile. This Demonstration generates a cam profile starting from a displacement diagram defined by a set of locators.
What is cam design?
Computer-aided design (CAD) involves creating computer models defined by geometrical parameters.Computer-aided manufacturing (CAM) uses geometrical design data to control automated machinery. CAM systems are associated with computer numerical control (CNC) or direct numerical control (DNC) systems.
How is cam lock fitting measured?
How to Measure A Cam and Groove (Camlock) Fitting
- Female camlock size is determined by measuring the open end or inside diameter of the female camlock.
- Male camlock size is determined by measuring the outside diameter of the male camlock.
Can I rekey a lock myself?
When you rekey a lock by yourself, you will need to purchase a rekey kit that is specific to your brand of doorknob, lever, or deadbolt. You will receive several keys (often between three and six keys), all identically cut.In most cases, all other pieces of the lock stay the same.
Is rekeying safe?
Rekeying a lock does not hurt the security of the lock, nor does it make it more secure. One of the factors that makes a lock secure is how many pins are inside of it. As long as the locksmith swaps the old 5 pins with 5 new ones, the lock will remain just as secure as it was before.
What does a strike plate look like?
The third part is the door strike (also called the strike plate), which essentially looks like a metal plate with a hole (or holes) cut out of it.Door strikes are designed to conform to the shape of the latch, as well as the thickness of the door frame.
How does a strike plate lock work?
Electric strike locks works by replacing the standard strike (the metal plate with a hole in it that’s in the door frame) with an energized strike in which one side is cut out and replaced with a hinged piece of metal.With this type of lock, the door closes behind you and automatically fastens in a locked position.
Do strike plates work?
The answer is simplebetter door security. Kick-in burglaries often occur because of weak or poorly fitted strike plates. Like all security measures, this is just another layer. There’s little point to having an excellent deadbolt and the best strike plate if the door jams, hinges, door and door frames are weak.
What is the little tab on a door latch for?
Deadlocking plunger (also called deadlatch plunger or deadlock plunger) is the name of a very important piece of a door lock assembly; it keeps a locked door from being opened with a small screwdriver or credit card.
What is a dead latch?
Definition of deadlatch
: a spring-bolt latch in which the bolt is deadlocked against end pressure but may be retracted by either the knob or the key.
How do you shim a strike plate?
Outline the strike plate on the cardboard, including the opening and screw holes. Drill out the screw holes in the shim outline, using a power drill. Cut out the shim from the cardboard, using a utility knife. Cut out the opening within the shim using the utility knife, also.
What is a rack bolt?
Rack bolts are particularly popular fitted to sliding doors, at the top and bottom of the frame as extra security locks. These bolts are mortised into the edge of the door and therefore prevent somebody forcing the door open. These locks offer extra security when the house is occupied.
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