Referring to FIG. have a liner lock or liner of the handle, hence the name. In FIG. blade inside the handle, locking it open. Clasp Lock. Submit your e-mail address to receive free updates and promotions. Although they’re nowhere near as popular or commonplace, some knife manufacturing brands have... Arc Lock. The knife enables easy and safe one hand use (opening and closing the blade), and at the same time keeps the number of parts and manufacturing complication to a minimum. That rounds out to be about 2,000 years, for those who are counting. By design there FIG. Blade 36 then can be rotated about pivot 42 toward the fully folded position. In terms of function it is pretty similar to the liner lock. As such a knife with a slipjoint is the perfect solution, such as the Spyderco UK pen knives. This was done because with heavier use, you may accidentally push the lockback trigger with the side of your hand, disengaging the mechanism and allowing the knife to close on itself. In FIG. 14 through 17 are cross sectional views similar to the FIGS. Liner Lock. contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses. dent of metal from the lock bar lever of his knives. As such it you can safely use it without compromising your fingers. The scope of the invention is best defined by the appended claims. 12, the user simultaneously exerts and upward force on thumb post 62 and a downward force on blade opening stud 64. This style folding knife has no lock or backspring. 1 and 2, and (2) a fully folded position between first 24 a and second 24 b walls of handle 22 (refer also to FIG. 19 is an enlarged fragmented cross sectional view showing the second embodiment folding knife with the blade partially folded; and. In this position, thumb post 62 is received by notch 44 and retains blade 36 in the extended position. A liner lock engages when the blade is pushed out. FIGS. However, be careful because your finger could come into contact with the blade when you close the knife. The knife is safer for the operator to use, because the mechanism is designed in a way that when unlocking the blade, the operator naturally has all of his fingers out of the way of the blade path. springs hold two blades open; one on each end. 5-6 and 8-10) the cross sectional view is toward the second wall 24 b, and as such first wall 24 a and grip panel 25 a are not seen. Even though a knife will, of course, not quickly close by itself, a slipjoint will offer you just that little bit of additional resistance to prevent your knife from closing while you use it. The second slot has a second slot axis which is oriented substantially perpendicular to the central longitudinal axis of the handle. FIG. Another advantage is that the ring can also be used to block the knife when closed. The blade can be readily actuated open Overall, the bar and arc device both function identically and block the tang of the blade from closing when engaged. The ball is also utilized That is, spring 56 pushes up on the rear end 52 in direction 60, thereby causing locking lever 46 to pivot about pivot 54 and force front end 48 of locking lever 46 toward central axis 26 in direction 58. In FIG. A spring 56 is disposed between and connected to first 24 a and second 24 b walls near rear end 30 of handle 22, spring 56 contacting rear end 52 of locking lever 46 and urging front end 48 of locking lever 46 toward central longitudinal axis 26 of handle 22 in direction 58. at the rear. It is noted that spring 56 is the only spring included in folding knife 20. 9 the user has longitudinally moved thumb post 62 in direction 59 away from central longitudinal axis 26 along first 32 a (not shown) and second 32 b slots so that thumb post 62 no longer resides in notch 44. The better the two come together the sturdier the lock will be. folding knife. 14 showing the second embodiment folding knife with blade partially folded; FIG. In addition, you can operate it with one hand. However, it is important to keep the blade lock clean. found on tactical folding knives, both production and custom. Merry Christmas!!! Slip Joint. The Complete Guide To Knife Locking Systems Generic Systems. In FIG. However, there are so many different locking systems that it might be useful to see which you can choose from and how they work. The slipjoint pocket knives are ideal for light everyday tasks. However, it is important to keep this lock clean and greased, because the spring behind the ball bearing is exposed in the handle. Strength: Arc-Lock surpassed standard holding capacity in independent lab tests. Developed by custom knifemaker Chris Reeve using the original Walker LinerLock in an integral form. In FIG. Ball Bearing Lock. 10 is an enlarged fragmented cross sectional view showing the blade in the fully folded position; FIG. 19 the user has longitudinally moved thumb post 162 in direction 159 away from central longitudinal axis 126 along first 132 a (refer to FIG. This type of lock closely resembles the axis-lock in terms of function. However, instead of a bar that moves in a vertical motion, the arc lock has a device that moves in an arc. types of blade locks and how they function. First slot 32 a has a first slot axis 34 a which runs along the length of the slot, and which is oriented substantially perpendicular to central longitudinal axis 26 of handle 22 (refer to FIG. When so positioned the thumb post retains the blade in an extended position. opened. Axis Lock. Then as shown in FIG. said front end of said locking lever having a tab; said thumb post connected to said locking lever and projecting outward in opposite directions therefrom; and, HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR, Hand knives with adjustable blade; Pocket knives, Hand knives with adjustable blade; Pocket knives with pivoted blade, Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position, Hand knives with adjustable blade; Pocket knives with pivoted blade lockable in adjusted position with a locking member being slidable or movable along the handle, MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM. The Axis-lock was developed by knife manufacturer Benchmade. Back Lock. "stop pin" that redistributes the pressure from the lock to the spine for additional strength. 14 showing the second embodiment folding knife with the blade in a fully folded; FIG. As can be seen in FIGS. or closed with either hand- without ever having to place flesh in the blade Our answer to that question depends on why you're asking. 4 showing the folding knife with the blade further folded; FIG. It is noted that thumb post 62 longitudinally moves along first 32 a and second 32 b slots along slot axes 34 a and 34 b which are perpendicular to central longitudinal axis 26. Blade lock. A close blade will allow this metal to flex over and butt against the base of the 4, 5, and 7 respectively showing of blade 36 in the extended position, partially folded, and fully folded position respectively. Thumb post 162 longitudinally moves in first 132 a and second 132 b slots along slot axes 134 a and 134 b which are perpendicular to central longitudinal axis 126 (refer to FIGS. An advantage of the back lock is that your hands stay clear of the blade’s path when closing, which makes it safer.
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