Parts of A Padlock
- Shackle: In most cases, the padlock is secured by a loop of metal (a u-shaped bar) that may be opened to lock and release the lock. ...
- Body: In the padlock’s solid portion, there is a locking mechanism.
- Cylinder/locking mechanism: Commonly used lock mechanisms include a keyway, as well as rotational mechanisms and dials. ...
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.
How do modern padlocks work?
Modern padlocks do not interface directly with the shackle but instead use an actuator to do so. Pin-tumbler and warded locking mechanisms are the most popular on padlocks worldwide. Many padlocks use locking designs that provide a key retaining mechanism. The portion of a padlock body that covers or conceals the shackle or bolt.
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 shackle on a padlock?
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 the round part of a padlock called?
shackleThe 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.
What are the things inside a lock?
Inside, they they have curved, jutting out pieces of metal fitted inside them (called wards) that exactly line up with the holes in a particular key. Other keys can be inserted into the lock but the wards will stop them from turning.
What are the parts of a combination lock called?
The typical combination lock has a combination dial that is attached to a spindle. Inside the lock, the spindle runs through several wheels and a drive cam. The number of wheels in a wheel pack is determined by how many numbers are in the combination - one wheel for each number.
What is the pinhole in a padlock for?
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.
What is the mechanism inside a lock called?
Cylinder The cylinder is also known as the lock body because it contains the locking mechanism. Inside the cylinder are the spring-loaded pins that keep the lock secure. The spring-loaded pins won't let the cylinder turn unless the correct key is inserted.
What is a latch bolt?
Latch bolt An extremely common latch type, typically part of a lockset, it is a spring-loaded bolt with an angled edge. When the door is pushed closed, the angled edge of the latch bolt engages with the lip of the strike plate; a spring allows the bolt to retract.
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 box keep), which lines and reinforces the cavity ...
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.
How does a combination padlock work?
1:036:15How does a Combination Lock work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipIt won't come out until the right combination is put in then it pops right open. This piece isMoreIt won't come out until the right combination is put in then it pops right open. This piece is called the lever. It slides right onto the bar here the lever can rotate counterclockwise.
What is the little hole next to the keyhole?
0:3011:51Here's What the Tiny Hole on a Padlock Is For - YouTubeYouTubeStart of suggested clipEnd of suggested clipWell these holes have two essential purposes for the padlock itself firstly. If water gets insideMoreWell these holes have two essential purposes for the padlock itself firstly. If water gets inside the lock the holes enable it to drain out these locks are often used outside.
Can you open a padlock without a key?
Trying to figure out how to open a padlock without a key? Insert the tip of the screwdriver inside the keyhole until it reaches the barrel of the lock. Thrust the screwdriver in and out of the lock while jiggling it. Continue to shake the lock until you hit the tumblers and you open the lock.
What is a sidewinder key?
What is a sidewinder key? A laser-cut key is commonly called a sidewinder key. This name comes from the unique winding cut on the metal part. Unlike standard keys that have the usual straight grooves and jagged cut edge, a sidewinder key can have smooth edges.
How does a locker lock work?
Inside the lock is a metal plate known as a cam, which is attached to the core of the locking device. When the cam is turned one way, it rotates as the key is turned. The cam rotates between 90 to 180 degrees, locking and unlocking the locker door.
What device is used to operate a lock?
A key is a device that is used to operate a lock (to lock or unlock it).
How does an Egyptian lock work?
The key is simply a bit of wood with small pins, usually of brass. These pins enter small holes in the bolt and lift similar pins in the lock. The pins of the key push the lock pins out of the holes, and the bolt can be moved aside and the door opened.
How does a key lock work?
0:353:05How does a Pin Tumbler Lock work? - YouTubeYouTubeStart of suggested clipEnd of suggested clipThere are several vertical shafts that go through the case and the plug. Each shaft has a springMoreThere are several vertical shafts that go through the case and the plug. Each shaft has a spring driver pin and a keep in the springs press all the pins downs that they all rest on this ledge.
The Padlock
It is possible to find padlocks in a variety of colors, styles, and sizes. They have been around for hundreds of years, with varying degrees of intricacy in design, depending on the technology and manufacturing methods accessible to various cultures and civilizations.
Types of Padlock Styles
Locks are utilized in nearly every type of company, organization, and residence are:
Padlock Keying Options
The conventional padlock that comes with two keys works well for the majority of applications. Many applications demand distinct keying options. The following are the most frequent keying options.
Elements of Padlock Construction
Several metals and plastics are used in the manufacture of padlocked doors and windows.
Bottom Line
The fact that padlocks are a preference of many authorities is not a shock. I love them because they’re so versatile, don’t take up a lot of room, have been around for centuries, and new ones are always coming out all the time.
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 ...
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 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.
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 the body of a padlock?
body. The part of the padlock that surrounds the locking mechanism and most of the shackle. More secure padlocks attempt to conceal as much of the shackle as is possible to prevent various forms of forced entry. Padlocks designed in this manner are referred to as shrouded .
What is the most common type of padlock?
Padlocks can use a variety of locking designs, but pin-tumbler and warded mechanisms are the most common. Lever padlocks were also popular at one time, but use has dwindled in most parts of the world in favor of pin-tumbler or warded mechanisms.
What is a padlock's design?
Most padlocks share a common design theme. An upside-down U-shaped shackle and a rectangular body. This common design has spread in use to indicate a secure connection on a website, with a symbol of a locked padlock in the status bar of a web browser.
What is Schlage padlock?
A Schlage brand brass body padlock. A padlock is a portable lock used to restrict access to an area or enclosure or prevent an object from being removed from an area. Padlocks are widely used in everyday life in both low and high security installations.
What is a shackle?
shackle, bolt. A rod made of a hardened material (typically steel) that is affixed to an object, usually a hasp , fence, or chain. The shackle is responsible for keeping the padlock connected to whatever it is attached to.
How advanced are padlocks?
Through the last several hundred years, padlocks have become far more advanced than their earlier ancestors. Whereas many of the earlier padlocks were little more than poorly wrought designs that could be bypassed easily, today we have padlocks that incorporate high-security cylinders, restricted keyways, high-strength materials and components, and ever more advanced measures of security. For instance, some of the padlocks manufactured by Sargent and Greenleaf incorporate ceramic plates into the body of the lock, providing increased protection against attacks from drilling and freezing the lock body to extreme temperatures.
Do padlocks have a shackle?
Modern padlocks do not interface directly with the shackle but instead use an actuator to do so. Pin-tumbler and warded locking mechanisms are the most popular on padlocks worldwide. Many padlocks use locking designs that provide a key retaining mechanism.
What are the two types of padlocks?
Some shackles split apart and come together to lock and unlock. There are two basic types of padlock locking mechanisms: integrated & modular. Integrated locking mechanisms directly engage the padlock's shackle with the tumblers.
What is a padlock?
A padlock is composed of a body, shackle, and locking mechanism. The typical shackle is a "U" shaped loop of metal (round or square in cross-section) that encompasses what is being secured by the padlock (e.g., chain link or hasp). Generally, most padlock shackles either swing away (typical of older padlocks) or slide out of the padlock body when in the unlocked position. Less common designs include a straight, circular, or flexible (cable) shackle. Some shackles split apart and come together to lock and unlock.
What is a heart lock?
Contemporary with the Scandinavian padlock, were the "cast heart" locks, so called because of their shape. A significantly stronger lock than the smokehouse and much more resistant to corrosion than the Scandinavian, the hearts had a lock body sand cast from brass or bronze and a more secure lever mechanism. Heart locks had two prominent characteristics: one was a spring-loaded cover that pivoted over the keyhole to keep dirt and insects out of the lock that was called a "drop". The other was a point formed at the bottom of the lock so a chain could be attached to the lock body to prevent the lock from getting lost or stolen. Cast heart locks were very popular with railroads for locking switches and cars because of their economical cost and excellent ability to open reliably in dirty, moist, and frozen environments.
Why are steel cable padlocks used?
Steel cable padlock. Steel cable padlocks have a wider range of uses than padlocks because they have a variable length of the locking mechanism, only limited by the length of the cable. When the cable is bent and passed through the hole, lock it at the proper length.
What is a Yale and Towne padlock?
In 1877 Yale & Towne was granted a patent for a padlock that housed a stack of levers and had a shackle that swung away when unlocked. It was a notable design because the levers were sub-assembled into a "cartridge" that could be slid into a cast brass body shell. The assembly would remain together by means of two taper pins passed through the shell and cartridge. This design gave the commercial padlock market a serviceable, rekeyable padlock. About twenty years later Yale made another "cartridge" style padlock that employed their famous pin tumbler mechanism and a shackle that slid out of the body instead of swinging away.
What were Chinese padlocks made of?
Padlocks were made from bronze, brass, silver, and other materials.
When was the combination lock invented?
Combination locks do not use keys. Instead, the lock opens when its wheels are lined up correctly to display the correct combination. A padlock was invented by John I. W. Carlson in 1931 (a patent was granted in November 1934) that has both a combination on one side and a key on the other.
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.
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 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 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.
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 is the cylinder of a lock?
Cylinder. The cylinder of a lock is the part that contains the locking mechanism. It is the main body of the lock and is therefore sometimes referred to as the ‘lock body. Cylinders are spring-loaded with a series of pins that will not turn unless they are pushed in the right direction and pattern by the correct key.
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 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.
