Working out the Left-right-left combination to a lock
| Lock type | Combinations | Combinations | Difference RLR to LRL |
| Dudley | Right-left-right: | 30 - 14 - 47 | First number increases by 14; second num ... |
| Dudley | Left-right-left: | 44 - 10 - 47 | First number increases by 14; second num ... |
| Master | Right-left-right: | 15 - 17 - 31 | First number decreased by 7; second numb ... |
| Master | Left-right-left: | 8 - 18 - 31 | First number decreased by 7; second numb ... |
How to open a combination lock by turning left right left?
On account of this, to open a combination lock by turning left right left instead of right left right, the first number needs to be several numbers further to the right, and the second number needs to be several to the left.
What are the different parts of a combination lock?
All the combination locks are based on the exact mechanism. No matter what size, shape, or manufacturer, these locks have some essential parts in common such as; shackles, springs, cam discs, and hooks. When the U-shaped shackle is locked, it is stopped by a hook. That hook is further connected to a spring and spin wheels.
How to pick a combination lock at home without a locksmith?
Here’s how to pick a combination lock at home without a locksmith. Lucky for you, briefcases are the easiest to crack. This is because most briefcases have the spin wheel 3-digit locking system with a small pullable lock at each side.
How does a rotary combination lock work?
The rotary combination locks found on padlocks, lockers, or safes may use a single dial which interacts with several parallel discs or cams. Customarily, a lock of this type is opened by rotating the dial clockwise to the first numeral, counterclockwise to the second, and so on in an alternating fashion until the last numeral is reached.
Do you start left or right on a combination lock?
If you need to open a combination lock, start by turning the dial on the lock clockwise (to the right) 3 times. Stop turning when the marker or line points to the first number of the combination. The marker or line is often red and will be at the top of the dial.
Which way is right on a combination lock?
0:000:59How to Open a Combination Lock - YouTubeYouTubeStart of suggested clipEnd of suggested clipThen turn your dial to the right and go straight to your last number in this case it's four once youMoreThen turn your dial to the right and go straight to your last number in this case it's four once you've done that you're ready to open up your lock.
Are combination locks right left right or left right left?
A combination lock will have a 3 digit lock code. It should be on the back of the lock. Have the 3 number code or combination number memorized, write it down, or put it in your phone notes/memo. –Turn RIGHT 3 times to first code number. –Turn LEFT 1 time past first number and stop on second number.
Do you open a locker right left right?
To open your locker, start by spinning the dial clockwise, or to the right, at least 3 full turns to clear the dial from any other numbers. Then, turn the dial to the right and stop at the first number in your combination.
How do you open a 3 digit combination lock?
0:192:53How to Open a 3-Dial Combination Lock Case in 6 Minutes or LessYouTubeStart of suggested clipEnd of suggested clipPush in on the on the button and set it to whatever you want say double-oh-seven is your newMorePush in on the on the button and set it to whatever you want say double-oh-seven is your new combination. Let go it'll open to that and then set it to any other. Number.
How do you open a 3 letter combination lock?
0:022:25Master Lock Letter Lock™ - Informational - YouTubeYouTubeStart of suggested clipEnd of suggested clipEasier to remember and easier to dial the combination is now three letters and every single letterMoreEasier to remember and easier to dial the combination is now three letters and every single letter is printed right on the dial. Clear letters wide spacing now counting hash marks in between.
Are Safes Left Right Left?
Sentry Brand Safe Locks A very small number start to the right, then left, then right. Turn safe handle. If there is no safe handle, then turning the dial back to the Right again will unlock the safe.
Which direction do locks unlock?
Locks built in to the doorknob usually open clockwise. Desk and filing cabinet locks also tend to open clockwise. When you encounter a new kind of lock mechanism, try turning the plug in both directions.
Are all combination locks the same?
Most combination locks use a wheel pack; a set of wheels that work together to 'know' the combination. All wheel packs are all designed around the same principle. The typical combination lock has a combination dial that is attached to a spindle.
How do you break into a combination lock?
0:045:59How to Crack Your Master Lock Combo in 3 Easy Steps - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo you what you want to do is you want to put your pointer finger up here. And you want to applyMoreSo you what you want to do is you want to put your pointer finger up here. And you want to apply some pressure. So you want to pull this up and rotate this master lock.
How do you open a 4 digit combination lock?
0:285:33How to Crack the Code & Open a Combination Padlock - YouTubeYouTubeStart of suggested clipEnd of suggested clipKeep some tension on the shackle and rotate to the dial until we feel a change this time numberMoreKeep some tension on the shackle and rotate to the dial until we feel a change this time number eight feels a lot looser.
How do you open a combination safe?
2:394:02How to Open Your Safe by Dialing the Combination Lock - YouTubeYouTubeStart of suggested clipEnd of suggested clipSecond time around I'm going to turn the dial step four turn the dial slowly to the right. Until itMoreSecond time around I'm going to turn the dial step four turn the dial slowly to the right. Until it unlocks. And now you can open your safe.
How many times does a cary safe go to the 2nd lock?
Antique Safes by Cary Safe, Detroit Safe and J. Baum Safe. Cary, Detroit, and J. Baum brand antique safes most often use the same sequence as Group 2 locks, even though they are not Group 2: Left to 1st #, 4 times. Right to 2nd #, 3 times. Left to 3rd #, 2 times.
How to turn safe handle?
More detailed instructions: Turn the dial Left (counter clockwise) to the first number 4 times. Turn the dial Right (clockwise) to the second number 3 times. Turn the dial Left to the third number 2 times. Turn the dial Right until the dial stops.
What is a sentry safe?
Sentry safes are the most common safes on the market. A small number of these have Group 2 locks, but most have direct entry lock systems which use the following procedure. A very small number start to the right, then left, then right. Turn safe handle.
Who invented the combination lock?
In 1206, the Muslim engineer Al-Jazari documented a combination lock in his book al-Ilm Wal-Amal al-Nafi Fi Sina'at al-Hiyal ( The Book of Knowledge of Ingenious Mechanical Devices ). Muhammad al-Astrulabi (ca. 1200) also made combination locks, two of which are kept in Copenhagen and Boston Museums .
How does a bicycle lock work?
One of the simplest types of combination lock, often seen in low-security bicycle locks and in briefcases, uses several rotating discs with notches cut into them. The lock is secured by a pin with several teeth on it which hook into the rotating discs. When the notches in the discs align with the teeth on the pin, the lock can be opened.
What is a relock trigger?
A relock trigger, or internal relocker, is an integral part of the combination lock itself. It is usually designed to activate when the dial spindle is punched through. The trigger may consist of a spring-loaded lever or plunger that engages the bolt when the back cover is dislodged from the lock case. Some combination locks also are equipped with a thermal relock trigger that activates in the event of a torch attack. Nearly all safes made after World War II have relock triggers in their combination locks.
What type of locks do doors use?
Many doors use combination lock s which require the user to enter a numeric sequence on a keypad to gain entry. These special locks usually require the additional use of electronic circuitry, although purely mechanical keypad locks have been available since 1936.
Where are the discs on a lock?
The discs are mounted on one side of the lock, which may in turn be attached to the end of a chain or cable. The other side of the lock, or the other end of the cable, has a pin with several protruding teeth. When the toothed pin is inserted and the discs are rotated to an incorrect combination, the inner faces of the discs block ...
Do combination locks have keys?
Unlike ordinary padlocks, combination locks do not use keys. Exploded view of the rotating discs. The notches on the disc correspond to the numerals in the correct combination. In this case, the combination is 9-2-4. The discs are mounted on one side of the lock, which may in turn be attached to the end of a chain or cable.
How does a combination lock work?
A combination lock works by correctly positioning internal components as the sequence is entered, usually through the use of one or more dials. Combination locks are most commonly associated with safes, but are also popular in low security applications, particularly padlocks.
How do electronic combination locks work?
Electronic combination locks function on the same principle of needing to know the correct sequence to open the lock. In most cases a series of numbers or letters is entered on a keypad. If the sequence is correct, the locking mechanism is released.
How does a bicycle lock work?
One of the simplest types of combination lock, often seen in low-security bicycle locks and in briefcases, uses several rotating discs with notches cut into them. The lock is secured by a pin with several teeth on it which hook into the rotating discs. When the notches in the discs align with the teeth on the pin, the lock can be opened.
What is rotary lock?
A rotary combination lock uses a single dial which must be rotated left and right in a certain combination in order to open the lock. Rotary combination locks are commonly used on safes, vaults, and padlocks.
What is a push button lock?
Pushbutton locks uses numbered or lettered buttons to properly align internal components. Pushing each button on the face of the lock rotates one or more wheels inside the lock. A user who knows the correct sequence of pushes can properly align all wheels and open the lock. These locks are popular as standard door locks and padlocks. Pushbutton padlocks are the most common type of lock boxes, common in the real estate industry. The security of pushbutton locks varies; many allow the combination to be entered in any order, enabling a variety of sequences to open the lock. For example, the code '1234' could be entered as '2314', '4321', etc.
Where was the first combination lock made?
The earliest combination lock was excavated from a Roman tomb in Athens, Greece. Attached to a small box, it featured several dials instead of keyholes. In 1206, the Muslim engineer Al-Jazari documented a combination lock in his book al-Ilm Wal-Amal al-Nafi Fi Sina'at al-Hiyal (The Book of Knowledge of Ingenious Mechanical Devices). Muhammad al-Astrulabi (ca 1200) also made combination locks, two of which are kept in Copenhagen and Boston Museums. Gerolamo Cardano later described a combination lock in the 16th century.
Who invented the rotary lock?
Linus Yale, Jr. contributed the first modern style rotary combination locks in the early 1870s. In 1878, Joseph Loch (Germany) modified Yale's design for Tiffany's Jewelers in New York City. For several decades Loch made many more improvements in the design and function of combination locks.
How does a combination lock work?
Although there are different types of combination locks, they all feature dials -- typically numbered dials -- that are used to open the lock. Each of the dials is connected to an internal locking mechanism, such as a pin. When you turn a dial to the correct number, it disengages the connected locking mechanism.
How many combinations of a combination lock?
For example, if a combination lock has three dials, each of which is numbered zero through nine, it will only have a total of 720 different combinations.
What is a shim on a lock?
The shim is designed to retract the spring that holds the shackle to the body of the lock.
What happens when you turn a dial to the correct number?
When you turn a dial to the correct number, it disengages the connected locking mechanism. Only after turning all the dials to the correct position will the combination lock open. Some combination locks also support the use of a key.
Can a thief guess the right combination?
Given enough time, though, a thief can guess the right combination, regardless of how many dials the lock has. In addition to rudimentary trial-and-error cracking, combination locks are also susceptible to shimming. Not to be confused with picking or bumping, shimming involves the use of a special tool, known as a shim, to open a lock.
Do combination locks have the same security as keyed locks?
Rather than using a key, you simply turn each of the dials to the correct number. While convenient, however, combination locks don't offer the same level of security as their keyed counterparts.
Is a commando lock a good lock?
Since they don't contain dials, keyed locks offer a superior level of security when compared to combination locks. Unless a thief has the key, he or she won't be able to open it. Furthermore, keyed locks are better protected against shimming than combination locks. For these reasons, you should choose a high-quality keyed lock over a combination lock. Commando Lock offers only keyed padlocks, most secure laminated and proven.
How Does A Combination Lock Work?
To unlock a combination lock, you first need to know how they lock and also how they work.
How To Open A Briefcase Lock Without The Combination?
If your briefcase with something crucial is locked by a combination lock and you are unable to break through, then no problem. Here’s how to pick a combination lock at home without a locksmith.
How To Open A Lockbox Without The Combination?
A lockbox is a small and handy box locker used to secure keys, cards, and other valuable possessions. These safe boxes usually have a three-digit spinlock or a 9-digit master lock. If you want to know how to open a lockbox without the combination, you first need to check the type of lock your lockbox has.
How To Open Bike Lock Without The Combination?
Bike locks are small circular tube-shaped locks. It would be terrible if you forget your bike lock code and get stuck. Well, circular bike locks are pretty easy to unlock. They are usually 4-digit spin locks that just require a few spins to open.
How To Pick A Combination Lock Without Combination?
Apart from the built-in lock-in bags, briefcases, and lockboxes, there are several other combination padlocks.
Conclusion
Combination locks are by far the easiest to pick, so when you feel like you’ve forgotten the passwords, just get yourself a picking tool and get on it. It obviously takes practice to get it right the first time, but you can decode your lock in seconds once you know the drill.
How to Dial Your Safe – 3 Digit Combination Instructions
These instructions pertain to professional safes and safe dials such as AMSEC, S&G and LaGard. Safes purchased at home clubs or discount stores can be different as they are not professional grade safes.
How to Dial Your Safe – 4 Digit Combination Instructions
These instructions pertain to dial safes that have a 4 digit combination
What our video: How to Dial Open a Safe Combination
Yes. We describe the process and have a video demonstration on how to dial 3-digit safes combinations. You can also print out the directions and store them for future use.
Tired of Dialing Your Safe Combination?
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