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A Complete Guide to Parts of a Combination Padlock
- Shackle or Hasp. This is the part of the lock that is curved and goes around the loops of a chain or clasp. ...
- Lock Case. The case is more than just a place to house the internal mechanisms. ...
- Dial. The first thing that you think of when you talk about a combination padlock is the dial on the front of the lock.
- Tumblers. ...
- Dogs. ...
- Keyed Entry. ...
What are the three basic components of a padlock?
They are comprised of three basic components: the shackle, body and locking mechanism. Shackle: Most often a loop of metal (u-shaped bar) that opens up to lock and unlock the padlock - available in varying lengths and diameters to fit a variety of needs.
What are the parts of a lock called?
Shackle or Hasp. This is the part of the lock that is curved and goes around the loops of a chain or clasp. It is usually made out of hardened steel and are very hard to cut with a bolt cutter or hacksaw.
What is a padlock?
These locks have been around for quite a long time and are basically smaller versions of safe locks. Opened by the use of a predetermined combination of numbers, this padlock has been a favorite lock for a long period of time.
Do all Padlocks have the same keys?
For most applications, the typical padlock that comes with two keys works well. However, there are many applications where different keying options are required. The most common keying options are: Keyed alike: All the keys open all the locks in a set of padlocks. Every key and every padlock is exactly the same.
What is the locking part of a padlock called?
Padlock Components The main components of a padlock are its body, which is the base of the lock, the locking mechanism, which is located inside the body, and the shackle, which is the usually curved metal rod that inserts into the body and clasps into the locking mechanism.
What is the pad in padlock?
The term padlock is from the late fifteenth century. The prefix pad- is of unknown origin; it is combined with the noun lock, from Old English loc, related to German loch, "hole".
What are the parts of a combination lock called?
The lever, disc shaft, combination cam, and dial are chromized. The inner case, shackle collar, and lever post are all cadmium-plated. The shackle and locking latch are copper nickel-plated. The outer case, of stainless steel, is mechanically polished to enhance luster.
What is the pinhole on the bottom of a padlock?
The pinhole on your padlock acts as a drain hole. The hole on the bottom of a padlock allows water to drain. This prevents the padlock's internal mechanisms from rusting, so they can continue to function properly. When the water is removed, it also can't freeze inside the lock under cold temperature conditions.
What is a padlock shank?
The shackle or shank is the U-shaped bar that loops round from, and back into, the padlock body. This is the most exposed part of the padlock and more susceptible to be attacked. Once again, as the overall size of the padlock increases, the larger the shackle can be making it more secure.
What is warding in a lock?
A warded lock (also called a ward lock) is a type of lock that uses a set of obstructions, or wards, to prevent the lock from opening unless the correct key is inserted.
What are the parts of a deadbolt lock called?
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 lock face?
The exposed surface of a mortise lock which shows in the edge of a door after installation of a lock.
What is end of key called?
Bow or Head This area is called the key head, located at the cop of the key. The shape of the bow or head varies uniquely depending on the type of design or lock brand you're working with. Almost all keys have a small hole in the bow or head for connection with key rings.
What are the two holes for on a Master lock?
A3: The two recesses on the shackle indicate the presence of 2 latches. This means that the shackle (in the case of shackle type padlocks) or the rod (in the case of padlocks for chains or shutters) will be locked in two places instead of one and will therefore be more pull-resistant.
What is dimple key?
A dimple key is a key that has a rectangular blade with multiple cone-shaped dimples rolled into the blade's face at various depths. Meanwhile, a dimple lock is a pin cylinder that makes use of the dimple key's flat side of the blade as the bitting area.
How do you unlock a lock pad?
0:040:54Strategies for Students: How to Open a Combination Lock - YouTubeYouTubeStart of suggested clipEnd of suggested clipStep one have them start by turning the dial to full turns to the right Swee passes zero twice keepMoreStep one have them start by turning the dial to full turns to the right Swee passes zero twice keep turning until you get to the first number in the combination.
How can I open a padlock without the key?
3:576:48How To Open A Padlock Without A Key - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo what happens take your shim place it around the shackle. And you rotate it towards that littleMoreSo what happens take your shim place it around the shackle. And you rotate it towards that little tab right there for your locking mechanism. And once it becomes wedged.
How many pins are in a padlock?
The keyway and locking mechanism usually contains between 3 and 7 small pins which are spring loaded. As the key entered the padlock barrel the different notches on the key allow the pins to be aligned correctly. Once aligned then the barrel can rotate, unlocking the shackle.
What are the parts of a padlock?
Padlock Parts and Mechanism. Padlocks usually consist of a solid body, a locking mechanism and a shackle. There are various different styles but the basic design and operation is the same. Most padlocks use solid metal bodies with the exception of disc padlocks and some combination padlocks.
Do padlocks have different properties?
Some padlocks are designed differently and therefore have slightly different properties. We have a dedicated section explaining the different shapes, designs and the merits of each.
What are the different types of padlocks?
Besides the rectangular padlock there are also padlocks for chains and for roller shutters, which instead of a shackle use one or more rods: But there are in fact many different types of padlocks: marine, armoured, monoblock, etc.
What is a good padlock?
The anatomy of a padlock. A good quality padlock is a small, high precision machine which, despite its small size, consists of many different components. Here we can see the different parts that make up a traditional rectangular Viro padlock (click the image for a larger view): Besides the rectangular padlock there are also padlocks for chains ...
How to tell if a hasp is free?
You will see that they are shaped in the form of levers and catches. When the hasp is pushed into the locking hole, the dogs react and hold fast the hasp so that it can not be removed. When the tumblers are in alignment with the correct combination, then the dogs are removed and the hasp is free.
How does a tumbler lock work?
This works in the same way a regular keyed lock works. The tumblers are also connected to this key so that when the right key is inserted they are aligned. Whenever you forget your combination you can use this key to unlock the padlock.
What is inside a combination lock?
Housed inside the combination lock are the different tumblers. These tumblers are mounted on a cam that is turned each time the dial is moved. A tumbler is matched with a corresponding position of the dial. However, the tumbler is also set to line up when the dial is set to a specific number going in a specific direction. This is what causes a lot of frustration when remembering combinations. If you do not turn it in the right direction, the specified number of times, to the right number, the lock will not open.
What is a hasp lock?
Shackle or Hasp. This is the part of the lock that is curved and goes around the loops of a chain or clasp. It is usually made out of hardened steel and are very hard to cut with a bolt cutter or hacksaw. Some cheaper models of combination locks keep their prices low by using lower quality steel in the hasp.
What is a combination padlock?
A combination padlock is a great way to secure a great number of different items. Bike locks, lockers, chains, fences, toolboxes, latches, and other important items can all be secured with a simple combination padlock. These locks have been around for quite a long time and are basically smaller versions of safe locks.
What is the purpose of a case?
The case is more than just a place to house the internal mechanisms. The quality of the steel is also a security measure that protects the lock from being broken by a hammer or other blunt force.
What is a bolt on a door?
These bolts are fitted on the side of the door where the hinges are as an additional means of security . They help to prevent doors from being forced off their hinges in the event of an intrusion. This type of lock can be used on any wooden door and consists of a hardened steel bolt that protrudes from the door frame and locks into a hole in the door when it is in the closed position.
What is barrel bolt?
Barrel Bolt. A barrel bolt has one long metal cylinder in a horizontal position which can be guided by a thumb push to lock or unlock the door. The bolt will engage with a matching metal cavity on the door frame when locked and be drawn back into the faceplate when unlocked.
What happens when a spring bolt is released?
When the spring is released, the bolt will revert to its natural position of being locked. This means that when the door shuts, the spring bolt will automatically lock itself without requiring a key.
How does a spring bolt work?
A spring bolt is also known as a latch bolt. It works with the use of a spring clip that holds the bolt in place. The spring is compressed when being unlocked, thereby drawing the bolt into the body of the lock and allowing the door to open. When the spring is released, the bolt will revert to its natural position of being locked. This means that when the door shuts, the spring bolt will automatically lock itself without requiring a key.
What is the spindle on a door?
Spindle. The spindle is a part of the lock which connects the door handle or knob on either side of the door. It is a square-shaped rod that releases a latch inside the door to allow it to open when the doorknob is turned, or the handle is pushed down.
What is the trim on a door lock called?
The trim is also known as the ‘rose’, or might be given a particular name in certain shapes, for example, a circular type of trim on a door lock will be called a ‘ring ’. There are many types of trim available to match the style of the property.
What is a traditional door lock?
Traditional locks, also known as mechanical locks, are the most common types of door locks used on the external doors of residential and commercial properties for security. These are the types of locks that probably come to mind when you think of a door lock, and they are operated with a key and a knob or handle.
What is a breakaway shackle?
Breakaway shackle: A lock that features a scored shackle that will break when struck by a hammer or other substantial object. This padlock would be used in applications where the lock may need to be removed rapidly for emergency response like on sprinkler hose shut-off valves and fire hoses.
What is a padlock?
Padlocks are detachable locks that normally incorporate a u-shaped bar that’s hinged at one end and designed to be passed through an opening of a hasp or a link in a chain to protect against unauthorized use, theft , vandalism or harm . They are comprised of three basic components: the shackle, body and locking mechanism.
What is a guarded lock?
Guarded/shrouded/shielded: A lock that has solid metal guards that protect and surround the shackle on both sides, leaving only the top of the shackle exposed. The guards make it much more difficult to cut the shackle with a bolt-cutter.
What is a lock mechanism?
Locking mechanism/cylinder: Locks usually have a keyway where the key is inserted, or they may use a type of rotary mechanism or dial.
What are the components of a padlock?
They are comprised of three basic components: the shackle, body and locking mechanism. Shackle: Most often a loop of metal (u-shaped bar) that opens up to lock and unlock the padlock - available in varying lengths and diameters to fit a variety of needs.
How many keys are needed for a padlock?
For most applications, the typical padlock that comes with two keys works well. However, there are many applications where different keying options are required. The most common keying options are:
What is combination lock?
Combination: A lock that uses a rotary dial or series of buttons to unlock the device rather than a conventional key.
What type of locks are used in residential homes?
Traditional and electronic locks. Many residential homes, apartments, schools, libraries, small commercial buildings and other similar spaces still use traditional key-and-doorknob locks for both interior and exterior doors. Traditional locks, also known as mechanical locks, while still popular today, are not the only type of lock available.
What is a traditional door lock?
When you think of locks, traditional door locks are probably what comes to mind. These locks have a keyhole and a manual latch. This description makes door locks seem simple and plain, but they are actually much more complex than what meets the eye. A little research to better understand how each part works can help you fix lock problems on your own and reduce calls to your local emergency locksmith in Houston, TX. Below is an overview of the parts of a door lock and how they work.
What is a rosette plate?
This is a plate that is located behind the knobs. The rosette is meant to hold the doorknob in place and prevent it from rattling when the knob is turned. In this manner, the rosette plate adds an extra layer of security and increases the durability of the doorknob.
What is the thumb latch on a deadbolt?
The Thumb Latch: This is the part of the deadbolt that extends from the surface. This allows the user to rotate and unlock the deadbolt from the inside.
What is the plate behind a door?
The plate behind the door can refer to two separate pieces of metal. The first option is the strike plate, which is discussed above. The strike plate keeps the bolt in place when it is locked. When it closes, the latch strikes the plate and holds it closed. The other option could be the rosette.
What is the box on a bolt?
The Box: The bolt extends from the cylinder into a hole that is designed to fit the bolt perfectly. This is called the box. The box is meant to hold the bolt in place when it is locked. This prevents it from being pulled open.
What is a strike plate?
The strike plate is the metal that is attached to the doorjamb itself. There is usually a set of holes into which the bolt of the inserts. When the door is closed, the bolt extends into the hole. It is the job of the strike plate to keep it closed. The strike plate itself protects the rest of the structure against friction.
What is groove in a lock?
Grooves. The key’s grooves are made to fit within certain cylinder spaces within the structure of the lock. The specific variances in the grooves/cylinder spaces helps distinguish a lock and key set from another, and helps you choose the specific right type of key blank for duplication.
What is the anatomy of a key?
Anatomy of Keys. While the key is an everyday object with a long history of human use, it operates with a precise design that often isn’t completely understood by the everyday person, or ever really seen. While being uniform – in the sense that it’s usually analog – not digital, and reprogrammable – a key’s usability relies on it being physically ...
Why is it important to understand the structure of keys?
It can help to understand the structure of keys in order to more quickly assess if a key is broken, or to determine the best key for your household or business.
Where is the key head located?
Bow or Head. This area is called the key head, located at the cop of the key . The shape of the bow or head varies uniquely depending on the type of design or lock brand you’re working with. Almost all keys have a small hole in the bow or head for connection with key rings.
Is a key a digital or analog?
While being uniform – in the sense that it’s usually analog – not digital, and reprogrammable – a key’s usability relies on it being physically intact, ...
