Question please. And, if you want something left handed, your options are severely limited. There were, however, two precursors to knife locks that are worth noting, as they both still exist today. I also have a few dual action auto knives with liner locks. BALL BEARING LOCK A patented compressive lock that wedges a ball bearing between a … To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Overall, the bar and arc device both function identically and block the tang of the blade from closing when engaged. LEARN MORE ABOUT OUR COVID-19 RESPONSE. However, instead of a bar that moves in a vertical motion, the arc lock has a device that moves in an arc. Within the handle, the top of the spine and the tang of the blade resembles a hook. The liner lock was a great advancement in knife lock technology and assisted in the evolution of the tactical knife and one-handed knife. Welcome to part two of our knife locking mechanism infographic. I am going to do my best to make my first knive this week. The blade can only be unlocked if the piece of metal is pushed to the side and out of the way of the blade. A roll-lock knife is a type of sliding knife in which the blade rides on a track running the length of the scales, tilting into a detent to lock open or closed. Making my blade from a 11/4″ x 6 1/2″ x 3/8″ to 1/8″ pc of surgical steel we picked up from L.S.U. One of my son’s is a lefty, and axis style locks maybe the best for him… time will tell. The liner lock, originally known as a Walker Lock after its inventor Michael Walker, is one of the most popular types of locking systems. This is the lock. Slide the screw tab toward the butt of the knife. Be sure to keep your fingers away from the blade edge while closing. Unfortunately, the company went out of business in early 2018. Be careful, however, as the similarities between all of these different types of locks do not necessarily guarantee the same quality. Required fields are marked *. This unlocks the tip of the knife so you can open it. The reason it’s in the middle is because the shorter spine can withstand more pressure. Hold the back of the blade (away from the edge) with the other hand. The bar rests on top of the tang of the blade, so it can’t close. To fold the blade back into the … A slipjoint knife is a knife with no lock. The same backspacer puts tension on the blade when closed, biasing it towards the closed position and making it safe for pocket carry. Here’s how to unlock each type so that you can easily close your knife. It has since become one of the most common lock types available on the market for it's ease of use and reliability. To fold the blade back into the knife, the lockbar has to be moved away from the tang to its original position. A liner lock consists of a spring-loaded metal liner within the frame of the knife handle that remains under pressure when the knife is closed, but pops out when the blade is extended to wedge under the base of the blade, keeping it open. When engaged, it ensures the blade will not accidentally open. The liner lock functions with one section of the liner angled inward toward the inside of the knife. This piece of steel acts just like a standard frame lock. BACK LOCK A locking system positioned on the back of the handle that uses a rocker arm that pivots in the center. Some even believe that they are so different that they represent different lock types. The pressure of the lockbar, also called a leaf spring, prevents the blade from moving. For a more in-depth look into lock types, check out our Knife Lock Types Guide from Learn Knives. The following lock types are known for their strength and toughness: AXIS Lock and Back Lock . The frame lock is released by applying pressure to the frame to move it away from the blade. When the blade is opened completely, the pin from the handle fits snugly into a hole in the tang of blade. This round of infographics focuses on something extremely important but seemingly complicated: locking mechanisms. On the left side of the handle you will see part of the frame is positioned behind the blade. This provides friction and a light "stop" that biases the knife to the closed position and ensures controlled open and close. Turn the knife so that you can see the interior of the handle. I don’t know which model has the locking blade in the joint though. Congrats. You are ready. You've realized their usefulness as tools and have overcome the preconceptions people have of them. Without grasping the handle firmly, the blade has the potential to swing around. They are the friction folder and the slipjoint. So what comes next? When open, the rocker arm fits into a notch at the end of the blade’s tang to lock it in place. The back lock is one of the oldest and most reliable locking mechanisms on the market; it even predates the liner lock. Here are 3 popular lock types we love. The Cold Steel Tuff Lite is one knife that feature’s Cold Steel‘s Tri-Ad® lock. Liner Lock. As usual, this infographic doesn’t include every locking mechanism from every brand, but it does include the locking mechanisms we felt were the most common. The next step in the evolution of the slipjoint is the back lock (alternatively, lockback or spine lock). The liner lock, originally known as a Walker Lock after its inventor Michael Walker, is one of the most popular types of locking systems. To disengaged the knife, you push up on a clasp so it lifts the piece of metal until the post clears its hole. The Spyderco Paramilitary 2 is one knife that feature’s Spyderco‘s Compression Lock. The ring lock, which is also called the twist lock, first gained popularity in the 1950s, when the knife company Opinel Knives added it to their line. So the friction folder was invented. regards, Top 7 Benchmade Knives. Benchmade's Axis is probably the most popular of them all, but the others have their merits. The following lock types are primarily found on traditional knives: Friction, Slip Joint, Back Lock, Lever Lock, Bolster Lock. This publicity has undoubtedly increased the frequency at which mid lock knives are purchased. This mechanism’s characteristic component is a side spring bar located on the same side as sharp edge of the blade, “lining” the inside of the handle. The lever lock is often used on automatic knives and is related to the plunge lock. Marketingpi » The Best Everyday Carry Knife for Daily Use, Survival Pocket Knives - Our Top 10 - The Bug Out Bag Guide. This site uses Akismet to reduce spam. Related posts Boker Knives: A Brief History. The Tri-Ad® is similar to a back lock, but it uses a stop pin in addition to a rocker arm. To be clear, this is not a comprehensive buyer's guide or an encyclopedic catalog, but rather an informational piece about one of the most important things to pay attention to when picking a knife - the locking mechanism. Liner Lock . This is the lock. The stop pin keeps the blade from moving, and the rocker bar keeps the blade from closing when there’s pressure on the blade’s spine. Exclusive offers, new arrivals, and promotions sent straight to your inbox. Handle scales, which can be made from a variety of materials, such as G10, cover the plates. Another side note: We are planning on combining this two-part infographic into one giant infographic, but we have it split up into separate sections for the blog to make it larger and easier to read. So when the blade is opened, a part of the handle springs into place beneath the opened blade and locks it into place. Any ideas? From this position, the liner is only able to go back to its old position with manual force, therefore locking it in place. Slip joint locks are very common in traditional pocket knives, but they can be found in other types of knives as well. Benchmade Knives designed what they call the AXIS locking system. Has mark stamped on blade O with a crown, a knife thru the O, and USA under. Regardless, they are still common to see on the market, even on newer knife models. It was invented in the early 80s by knife-maker Michael Walker and was quickly adopted by a number of mainstream knife makers. While not as heavily policed as length and nature of the blade, certain locales have requirements even in regards to the type of locking mechanism you can have.