Switchblade Automatic Knives From Around The World


Frame Lock & Liner Lock Automatic Switchblade Knives

Frame Lock & Liner Lock Automatic Switchblade Knives. The frame lock is a similar concept to the liner lock, but instead of a separate metal liner within the interior of the handle, the knife’s frame is the actual lock. The frame, which is created similar to the lockbar, positions itself beneath the tang of the blade when it’s opened, so it can’t fold. Closing the blade requires the frame to be pushed back to its original position. The liner lock, originally known as a Walker Lock after its inventor Michael Walker, is one of the most popular types of locking systems. When the knife blade is opened, a vertical metal lockbar is angled from the side of the interior toward the center where it butts against the tang of the blade. The pressure of the lockbar, also called a leaf spring, prevents the blade from moving. To fold the blade back into the knife, the lockbar has to be moved away from the tang to its original position.

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