Benchmade Consumer Catalog 2009 - (Page 53) Levitator ® A patented Benchmade exclusive, the knife handle scale/liner is cut to create a spring system which is used to leverage a lock-pin in and out of a notch in the tang of the blade. This spring/pin system effectively locks the blade both in the open and closed positions. modified Locking-Liner The basic principle is an integral locking bar within the knife liner being stress bent, enabling it to spring into position behind the rear tang of the blade when the blade is opened. The locking bar wedges against the rear of the blade, locking it open until you physically push it clear and close the blade (locking-liners are made either right or left hand specific). And with a modified locking-liner you get a patented feature which helps to enhance the lock function. The function success and function failure of a locking-liner depends greatly on how well it is made and also the quality of the materials used. With Benchmade, you get both. optimiSer® Another patented Benchmade exclusive, which “optimizes” the knife mechanism if the user chooses to do so… A steel torsion bar running the length of the inside handle spine is secured in place and contacts a surface area of the blade tang. As the blade is closed the torsion bar is tensioned against the blade tang, then as the user rotates the blade open to a 30-degree angle, the torsion bar takes over and continues the blade opening process on its own. The huge advantages to the Optimiser design over other similar concepts, is that the blade must be rotated open to beyond a 30-degree angle, which offers added user control. And even more amazing, the Optimiser can be added or removed at the discretion of the user and the knife/mechanism still functions normally. The choice is yours. Built from the framework of the locking-liner with some innovative updates. The lock engages using tensile strength, compared to the compression hold of more traditional locking-liners. With the Nak-Lok, the possibility of personal injury is greatly reduced with the opening finger never crossing the blades path. nak-Lok™ BENCHMADEKNIFECO. TECH INFO 53
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