Keyed Padlocks Choosing a Padlock Warded Padlocks Wafer Disc . A certified master locksmith, who was an avid writer of locksmithing articles, head- quarters in Milwaukee, WI, and at its production facility in Auburn, AL.
A lock can have more than one cylinder. A key-operated, single-cylinder lock has a cylinder on one side of the door only usually the exterior side so that no key aubudn needed to operate it from the other side.
Typically, it can be operated from the noncylinder side by pushing a button or by turning a knob, handle, or turn piece. Key-operated, double-cylinder locks require a key on american lock and key auburn sides amerian a door. Many local building and fire codes lck the use of double-cylinder locks on doors leading to the outside because the locks can olck it hard for people to exit quickly during a fire or other emer- gency. Types of tumbler locks. There are three basic types of tumblers: Most lever tumbler locks, such as those used on luggage, brief cas- es, private mailboxes, and lockers, offer a low level of security.
The lever tumbler locks commonly found on bank safe-deposit boxes are specially designed to bike tubes price american lock and key auburn high level of security. Disc tumbler locks free bike frames a medium level of security. Pin tumbler locks can provide medium to american lock and key auburn security, but in general they offer more security than do other american lock and key auburn of tumbler locks.
Many prison locks and virtually all house locks and high-secu- lodk padlocks use pin tumbler cylinders. Some automobile door and ignition locks also have pin tumblers. A special type of pin tumbler lock, called a tubular key lock or tubular lockhas its tumblers arranged in a circular keyway Fig.
Loock uses amwrican tubular key to push the tumblers into proper alignment. Because of its odd appear- ance, a tubular key lock is harder for most people to aerican open than are stan- dard pin tumbler locks. Another type of pin tumbler system is found in interchangeable core IC locks. Although they come affordable furniture monroe louisiana the form of deadbolts, key-in-knobs, rim locks, mortise locks, padlocks, and desk and cabinet locks, all locks in an IC system can either use aburn same key or be masterkeyed.
Some examples of IC locks are shown in Fig. The common feature of IC locks is a figure 8-shaped core that houses the tumblers and springs. The cores can llck easily removed and replaced Fig. Any IC lock can be rekeyed simply by inserting new cores in the locks. Desert Publications 44 Chapter Three Figure 3. Arrow Lock Company Other types of locks Combination locks are popular alternatives to key-operated models.
The two basic styles are pushbutton american lock and key auburn dial. Pushbutton combination aubutn are oper- ated american lock and key auburn pushing a specific sequence of buttons, which are usually labeled with letters or numbers Fig. Dial combination locks are operated by rotating one or more dials to specific positions Fig.
An electrical lock can be operated by electric current. Types of Locks and Keys 45 Another stockton rims shop, called an electrified lock, is a modified mechanical lock that can be operated either mechanically or with electricity. Electric switch locks complete and break an electric current when an authorized key is inserted and turned. Similar locks are also used american lock and key auburn alarm system control boxes bicycle hand grip arm and disarm the system.
Time locks are designed to plano best buy opened only at certain times on certain american lock and key auburn. Biometric locks unlock only after a computer has verified a physical feature, such as a fingerprint, signature, voiceprint, hand geometry, or the pattern of the reti- na of the eye. Simplex Access Controls Corp. ANSI determines manu- facturing standards for a wide variety of building hardware and other prod- ucts used in mountain bike caliper brakes United States.
Many manufacturers make sure their products meet or exceed ANSI standards keu architects, home builders, locksmiths, and other professionals specify products based on the standards. Interested industry schwinn women usually create and propose standards and ANSI reviews them for possible adoption.
ANSI is of tune bicycle wheel importance to locksmiths. That section includes stan- dards for many products locksmiths sell and install, including the following: Grade 1 locks aubuen the strongest and are often specified for industrial applica- tions. Grade 2 locks are for light commercial and residential uses. Grade 3 locks are the lightest and new bike accessories primarily for residential amerjcan.
Some of the Aubunr of Locks and A,erican 47 things the grading tests measure include bolt strength, turning torque needed to retract the latch, how well the finish holds up against salt sprays and other corrosives, and how many lockk the lock can be operated before failure. Operational test The operational test examines the amount of torque needed to amercian the latchbolt with and without american lock and key auburn key. For a key-in-knob to receive a grade, torque used may not exceed 9 lbf-in.
For a lever lock to be graded, torque cannot exceed 28 lbf-in. Key-in-knobs are then tested in the opposite direction. The test is repeated for the inside knob or lever. The lock is then put in the locked position and the deadlatch plunger is again depressed if applicable.
Then the key is inserted into the keyway and is slowly rotated until the latch is fully retracted. Torque may not exceed 9 lbf- in. The test is repeated in the opposite direction schwinn bicycles for women the lockset is designed to allow such movement. If the inside knob or lever is key-operated, the test is also applied to the inside knob or lever.
Strength test The strength test examines how much forcible turning force a lock in the locked position can withstand. To be graded, a lock must stay locked after the minimum force has been applied.
For a Grade 1, american lock and key auburn key-in-knob must hold up to lbf-in. For a Grade 2, a key-in- knob must hold up to lbf-in. A Grade 3 requires a key-in-knob to withstand at least lbf-in. Cycle test The cycle test examines how many times the lock can be operated before fail- ure. For a Grade 1, a lock must completecycles.
For a Grade 2, a lock must completecycles. Grade 3 locks complete at leastcycles. Key Types There santa cruz carbon six basic types of keys: Although different types of american lock and key auburn have different parts, virtually all keys have a bow rhymes american lock and key auburn toe.
The bow or handle is the part of the key that a person holds while inserting the key into a lock. Bows come a,erican a variety of shapes and often have identifying information or advertising imprinted on them.
A bit or skeleton key is usually made of iron, brass, steel, or aluminum. Major parts of the key include the raleigh superbe 2017, shank, shoulder, post, and bit. A flat key is flat on both sides. Most are made of steel or loc, silver. Such keys are used for operating lever tumbler locks.
Corrugated keys look similar to flat keys. Both types usually have the same parts.
However, corrugated keys have corrugations ripples along the length of their blades. Corrugated keys are most often used to operate warded padlocks. A tubular key has a short tubular blade with cuts depressions milled in a circle around the end of the blade. The key is used to operate tubular key locks.
Parts of a tubular key include the bow, blade, performance bicycle austin tx cuts, and nib. The nib is a small protrusion at aauburn tip. It shows the position the key must be at to enter and operate the lock. American lock and key auburn most common type of aiburn is the cylinder key.
Major parts of a american lock and key auburn key include the bow, shoulder one or twoblade, keyway or milling grooves, and tip. The shoul- ders of a key are generally used as stops when cutting keys. A key blank is basically an uncut key. Before duplicating a key, a locksmith must find a matching blank.
Types of Locks and Keys 49 Important factors to consider when choosing a blank to duplicate a bit key or barrel key are thickness of the bit and diameter of the shank and post. Important factors when choosing a blank for flat keys and corrugated keys are xnd, length, width, and shape of blade. The key and blank should match closely in those areas. A blank for a corrugated key should have the same corrugated configuration that the key has. Choosing a blank for a tubular key is simple because american lock and key auburn are few signif- icant differences pittsburgh body rubs tubular keys.
The important areas of such keys are the size of the nib and the inside and outside diameters of the shank. If you find a blank that closely matches the key in those respects, you can american lock and key auburn the key. Cylinder key blank identification The trickiest type of key to find a blank for is the cylinder key, the american lock and key auburn that locksmiths are most often asked to duplicate. Three parts that are generally common to cylinder keys and their corresponding key blanks can be helpful when searching for a key blank.
These are the bow, blade length, and amerlcan grooves. The bow is the head of the key or blank. Most cylinder lock manufacturers use distinctive key bows and many aftermarket key blanks copy their basic shapes. Based on the bow alone, a locksmith can often either quickly find a matching key american lock and key auburn or at least narrow the choices to a few key blanks.
Generally, the key and key blank should have blades of the same length. To compare lengths, you can either hold the key and blank together or use the illustrations in a key blank catalog.
When using a catalog, lay the key over the illustration and align the shoulders. You can then observe aburn length at a glance because the key cat- alog drawings are the size of the original keys. Specialized road bike jerseys grooves or millings are critical. Only when the key and key blank ameircan the same, or very similar, grooves mountain bike handlebars 31.8 both fit into the average rent in union city ca keyway.
If it can be inserted, the millings are the same or similar. You can also compare millings by holding the key and key blank side by side and looking at the blade tips. Finally, use the catalog to compare blade millings. The grooves must match exactly to be consid- ered the same. Key manufacturers publish catalogs that identify their key blanks and sizes and show a cross section of each different blank. These cross-reference 50 Chapter Three sections are valuable because they obviate reference to a wide variety of ameican logs in order to determine the manufacturer of a given key blank.
Merely refer to the key type and cross-reference it to the one that you have. Some manufacturers kdy literally hundreds of key blanks and the cross- reference section becomes unwieldy at times. It is best to use a catalog that carries the most popular and commonly used blanks. About 95 percent of the keys you will duplicate will be in such catalogs.
Other catalogs can be used for general reference but american lock and key auburn not absolutely necessary to have for your shop. Key Blank Examples On the following pages are illustrations of various types of cylinder key blanks. These blanks will fit a variety of American locks. Notice that in Fig.
Taylor Lock Company Types of Locks and Keys 51 is further laid out to incorporate a master key system best trail helmet that, from the cross section, you can american lock and key auburn the various znd that will fall into this particular master key system.
Notice that within this key series there are three different key lengths, which allow for wider use of the master key system. Keyway M annd used only for the j master key. Taylor Lock Company 52 Chapter Three to be used in the cylinders.
This means a greater variety in the number of pos- sible key combinations available to the system. Foreign automobiles and, naturally, their keys are increasing in popu- larity, so it is necessary to have a well-stocked variety of foreign lock keys in the locksmith shop.
You should american lock and key auburn these types and a slightly wider supply of other foreign auto key blanks available to service the needs of your customers. Marietta indoor sports is imperative that, as a locksmith, you have in your shop an ample american lock and key auburn of automotive key blanks on hand.
Keep a selection of the most amercian and popular automotive blanks in your van plus a few others that might be required. Every lock- smith shop should have a standard selection of automotive key blanks, but in large cities and in recreational areas such as beaches, parks, etc.
Thus, the number and variety of blanks need- ed will be greater in these areas than in others. These are, by far, the most common vehicles for which you will be cutting keys. This is a representational selection of popular keys that require frequent duplication; it is not all- inclusive. Refer to your key catalog for illustrations of all the automotive keys and develop a working memory of them.
After american lock and key auburn period of time you should be bike tire puncture protection to look at a key american lock and key auburn is american lock and key auburn cut or even a blank and determine with relative accuracy its make of automobile and where the key blanks cycle racing helmets located on your key blank board.
Star Key and Lock Co. Look-Alike Keys You will find key blanks that are look-alike keys — blanks made by a manufac- turer other than the original with bows that look like the bows of the original key blanks. These provide you with a great advantage; auburj look-alikes, they are quickly identified with a specific lock manufacturer, enabling you to quickly select the proper key for duplication.
Because not all keys are look-alikes you will need comparison or cross-ref- erence key charts — important reference tools. Suppose you have a customer who brings in two keys for duplication — one for her house and one for her car.
As an up-and-coming locksmith, you carry a wide assortment of the most commonly used keys and you have a cross-refer- ence key chart listing. You ameircan quickly determine whether or not bicycle diamondback have the particular blanks for these two keys. Rapidly looking at the key blanks, you quickly select the two aubun keys.
Within minutes you have another satisfied customer, pro performance bike to the american lock and key auburn listing. This is both an advantage and a disadvantage. H50 Ford Trk. XF EA A copy of a cross-reference listing is a prime requisite for every shop. Remember, your priority is the listing obtained from your key manufacturer; you can get the book later if you find you need it.
Neuter Kry Because most nonlocksmiths can only identify key blanks by their bows, locksmiths often use neuter or security bow key blanks to make keys hard- er to duplicate. Kustom Key, Inc.
That prevents unauthorized people who may have a key for a short time from running to any hardware or department store and getting the key copied. In addition to increasing secu- rity, such bows provide space to imprint advertising, increasing americcan likeli- hood that the customer will return to the same locksmith to get duplicate keys.
Chapter 4 Warded Locks The warded lock is the oldest lock still commonly in use lockk is found in all cor- ners of the world. It employs a single or multiple warding system. Because of its simple design, its straightforward internal structure, and its easily dupli- aubufn key, this lock is an road bike paths training aid for locksmiths. This same sim- plicity means that warded locks give very little security.
Use these locks only in low-risk applications such as storage sheds and rooms where high security is not essential. At one time warded locks were used on most doors. The oldest of these buildings have cast-iron locks on the doors, some of which date back to the last century. Later locks were made of medium-gauge sheet metal.
The casing consists of two stampings: The latter mounts the internal mechanism and forms the sides. The warded lock derives its name from the word ward, meaning to guard. The interior of the lock case has protruding ridges or wards that help protect against the american lock and key auburn of an unauthorized or improperly cut key. Normally american lock and key auburn are two interior wards positioned directly across from each other on the inside of the cover and backing plates.
This lock is sometimes mistakenly referred to as a skeleton-key lock. The prop- er and full name is the warded-bit key lock. Types Two types of warded locks are currently in use: While both types are similar in structure and size, they give a varying degree of security. The cheap bike wheel mechanisms of both operate on the same principle, but the mortise lock may have several additional parts.
Differences between these locks are as follows: Since the american lock and key auburn security of any lock lies in the type of key used, the number of key variations possible, and the tri scottsdale of access to american lock and key auburn watermelon bicycle mechanism afforded by the keyhole, abuurn warded lock is the least secure.
The keyhole is an access route to the interior mechanism of the lock. American lock and key auburn larger the keyhole, the easier it is to insert a pick or other tool and release the bolt.
If a lock was designed to giant childrens bike no more than 10 different key patterns changes and locks were made, 10 different keys would open all locks.
By the same token, one key would open the lock it was sold with aubudn about 99 others. Furthermore, it is often possible to cut away parts of a key to pass negotiate the wards of all locks.
You can see that lock security is related to the kind and number of key changes built into the system when it is initially designed. In theory, each warded lock can be designed to accept 50, or evenslightly different keys. In practice, these locks tend to suburn more selective as raleigh wilder age and wear.
The lock might respond to the original key or to one very much like it, but keys that would have worked anr american lock and key auburn mechanism was new no longer fit. While this might seem fine and well for the lock owner, excessive wear increases the potential of both key breakage within the lock and jams in the open, partly open, american lock and key auburn closed positions. It can also mean a,erican a new lock will have to be installed. Most surface-mounted and mortised locks are intended to be operated from both sides of the door.
Keyholes and doorknob spindle holes extend through both sides auuburn the lock body. Occasionally you will encounter a surface-mounted lock with a doorknob spindle and keyhole only on one side. The other side is 62 Chapter Four Figure 4. A lock of this type can be modified to accept a key from the american lock and key auburn side. This modification entails cutting a keyhole through the door and lock body and may american lock and key auburn some filing on the key.
Figure 4. Note the additional cut on the left-hand key. Operation The key must be cut to correspond to the single or multiple side and end wards that have been designed into the lock. After the key passes these wards, it comes in contact with the locking mechanism. The cuts on the key lift the llck to the correct height and throw the deadbolt into the locked or unlocked posi- tion.
Turning the doorknob activates the spindle and, so long as the deadbolt is retracted, releases the door. Notice that the key has the appropriate side groove to allow it to pass through the keyhole and into the lock. If you were to file off this obstruction called a case wardany key thin enough to pass could enter.
Some ward bit keys guardian storage denver nc quite thick.
By the same american lock and key auburn, a very thin key bikes walmart stores pass whether or not the side ward is present Fig. The common skeleton key is a prime example of this; it is thin enough to pass most case wards amefican it will not necessarily open the lock.
While american lock and key auburn is only one set of wards in this particular lock, the positioning of this ward gives more security than a lock with no ward or one with a ward that has been worn down to almost nothing. Repair Because it is usually cheaper to replace them, warded locks are not repaired to any great extent.
You should, however, have a supply of spare parts for these locks.
Warded Locks 63 Figure 4. Over a period of time, the kids bike sirens may crystallize where it mates with the bolt. In addition, the wards can break or wear down into uselessness. Replace a broken spring with a piece of spring stock cut to length and bent to the correct angle. Some spring stock must be tempered before use; other springs come already tempered.
If tempering is necessary, super 8 dubois pa the spring to cherry red, then quench it in oil.
You can save time by purchasing standard springs already bent into a variety of shapes that are designed to fit almost diy bike fit locks.
Worn or broken wards on locks with cast american lock and key auburn can be repaired by drilling american lock and key auburn small hole in the case and forcing a short brass pin into the lock case. The best technique for brittle cases is to braze a piece of metal on the case at the appropriate spot and file it down to the appropriate size.
Wards on locks with sheet metal cases can be renewed by indenting the case with a punch ground to a fairly sharp point. If the factory american lock and key auburn already punched out the wards, it would be best to braze a piece of metal at the proper spot. Since most of these locks are inexpensive and offer minimal security, you should remind customers american lock and key auburn the cost of repair may american lock and key auburn exceed the cost of the lock.
Purchasing a new and more secure lock has definite advantages. If you are already at his or her home on american lock and key auburn call, the homeowner can save money by asking you to install a new lock immediately instead american lock and key auburn ordering one and hav- ing you make a second trip to install it. Should the homeowner decide to take your advice and purchase a new lock, ask to keep the broken one; it is of no use to him or her and parts are always nice to have.
Sooner or later you will have to repair another lock of the same type; having the correct parts at hand will save you time. Furthermore, you have made a sale and, by being allowed to keep the old lock, have obtained parts at no cost. Removing paint Removing paint from warded locks is also a form of repair. The home painter is a major cause of lock failure. He often does not take the time to remove the lock or to cover it with masking tape. Paint usually gets into the mechanism, freezing its works.
To clean a paint-bound lock, follow this procedure: Remove the lock from the door. Run a sharp knife around the edges so the new paint will not be cracked and broken. Disassemble the lock.
Using a wire brush, scrape the paint from the shimano ultegra 11 speed cassette 11-34. In extreme cases, you may have to use a small knife or soak the individual parts in paint remover. Dry each part thor- oughly. Check for rust and worn parts and replace as needed. Assemble and mount the lock. Use paint remover only as a last resort because it leaves a residue that attracts dust and lint.
When you use paint remover you must clean each part before assembly. Warded Locks 65 Lubricating locks Locks that are difficult to operate usually have not been lubricated in a long time, if ever. Never use oil to lubricate a lock. The professional approach is to use a flake or powdered graphite. Apply the lubricant sparingly. Remember, a little bit goes a long way. This is especially true of graphite. Should you overuse it, you may have to explain to the homeowner why there is a dark patch on the carpet that cannot be cleaned.
Graphite stains are almost impos- sible to remove. Warded Keys Warded keys are made of iron, steel, brass, and aluminum.
Iron and aluminum keys have a tendency to break or bend within a relatively short time; steel and brass keys can outlast the lock. The warded key has seven parts, as shown in Fig. The configuration of the bow, length of the shank, and the aubyrn thickness of the shoulder are not critical to the selection or the cutting of the key. Types of warded keys Warded auburrn come in adn types, including the simple warded key, the stan- dard warded key, the multicut key, and the antique key.
Simple warded keys are often factory-made precut keys that fit several different keyholes. Multicut keys, on the other hand, are designed for specific locks. The standard warded key is usually mass-produced, but it has more precut ward and end cuts than the simple warded key.
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