When the user pushes the thumb post out of the notch, the blade can be folded into the handle of the knife. days of receipt and we'll cover the cost of return shipping. Because the spring bar falls behind the hinged part of the knife, the knife cannot return to a closed position. Mid Lock. knives. Clasp Lock. The user holds handle 22 and positions his/her thumb on thumb post 62 and his/her index finger on blase opening stud 64. This application claims the filing benefit under 35 U.S.C. To disengaged the knife, you push up on a clasp so it lifts the piece of metal until the post clears its hole. Middle section 50 is pivotally connected to first 24 a and second 24 b walls by a pivot 54. When a blade is opened, a steel bar is pushed into position using springs, engaging the knife tang and locking the blade into place. 3 is an exploded perspective view of the folding knife; FIG.

Tab 149 is forced in direction 158 by the action of spring 156 into notch 144 of base 140 of blade 136 thereby preventing blade 136 from rotating about pivot 142. This lock is only found in SOG Specialty Knives and is remarkably similar to the AXIS lock. However, it could sometimes be a little tricky to completely press down the Tri-Ad-lock when you want to close the blade.

18 is an enlarged fragmented cross sectional view showing the second embodiment folding knife with the blade in the extended position; FIG. Ambidexterity: Blade can be comfortably accessed with either hand.". 5 is a cross sectional view as in FIG. In terms of function it is pretty similar to the liner lock. The spine doesn't extend all the way to the bottom of the handle.

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. Blade 136 then can be rotated about pivot 142 toward the fully folded position. lessened the possibility of gripping the handle hard enough to depress the 1 is a perspective view of a folding knife; FIG. The ball is also utilized One of the criticisms of this lock is that it is easy to accidently disengage under harder use. The base of the blade has a notch. Spyderco FB03GBKGR Lum Tanto Sprint Forest Green/Black G10 Fixed Blade Knife. ©Copyright 1999-2020 OsoGrandeKnives.com All rights reserved. FIGS. This type of lock closely resembles the axis-lock in terms of function. 5 the user has pushed thumb post 62 away from central longitudinal axis 26 in direction 59 and out of notch 44, thereby allowing blade 36 to be rotated about pivot 42 toward handle 22. Ambidexterity: Blade can be comfortably accessed with either hand.

For instance in our popular Eden 106 pocket knives. Liner locks are one of the more common mechanisms seen on folding knives. Overall, the bar and arc device both function identically and block the tang of the blade from closing when engaged. 16 is a cross sectional view as in FIG. This style folding knife has no lock or backspring.

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folding knife locking mechanisms

folding knife locking mechanisms

have come up with proprietary locking mechanisms that work in similar fashions. The thumb post is urged by a spring loaded locking lever into a notch in the base of the blade of the knife. A linerlocks) This particular locking system was refined by knife twist lock requires you to twist a collar ring at the top of the knife's handle to open and close it. 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. The features of the AXIS lock are significant and greatly enhance the First wall 24 a has a first slot 32 a disposed near front end 28 of handle 22, first slot 32 a being disposed within and completely surrounded by first wall 24 a. 7 blade 36 is in the fully folded position wherein blade 36 resides in handle 22. Bearings for pocket knives: all washers and ball bearings. production and custom. The second slot has a second slot axis which is oriented substantially perpendicular to the central longitudinal axis of the handle. 7). Safety: Positive closing feature ensures that the blade securely stays within the handle when closed. 4, 5, and 7 respectively showing of blade 36 in the extended position, partially folded, and fully folded position respectively. Folding knife 20 further includes a locking lever 46 which is disposed between first 24 a and second 24 b walls, locking lever 46 including a front end 48, a middle section 50, and a rear end 52. at the rear.

The slipjoint is one of the more common designs for folding and pocket or closed with either hand- without ever having to place flesh in the blade

The

11 and 12 and the associated discussion).

OpticsPlanet utilizes many guest experts to provide high quality informative content on products that we sell, how to choose the right one for your use, and provide expert advice and tips. In addition, the spring that falls in between the cut-out of the blade is a lot bigger and sturdier. 4 is a cross sectional view along the line 4-4 of 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.

handle that uses a rocker arm, which pivots in the center. A blocking system, or lock, ensures that a pocket knife does not close when you use it. In FIG. Intl. The second wall has a second slot disposed near the front end of the handle, the second slot being completely surrounded by the second wall. A back lock gets its strength mostly from the contact between the spring and the cut-out in the blade. second to strength is the inherent AXIS advantage of being totally The material used to produce the frame lock is very important. A spring which runs over the spine of the knife and falls behind the hinged part of the blade. In FIG. liner of the handle, hence the name.

16 the folding action of blade 136 continues toward handle 122. Spring Lock. In FIG. 4-7, through the action of spring 56, thumb post 62 is continuously abuttingly disposed between base 40 of blade 36 and front end 48 of locking lever 46.

As such the movement of the blade is firmly secured by the ring. The Complete Guide To Knife Locking Systems Generic Systems. When the blade is opened completely, the pin from the handle fits snugly into a hole in the tang of blade. Referring also to FIGS. 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.

If you continue you accept our cookies. This allows for heavier cutting tasks to be accomplished. We want to ensure that making a return is as easy and hassle-free as possible! Moving this liner aside will release this lock allowing the With these cookies we and third parties will be able to follow your behaviour on our website.

As such you are able to benefit more from the strength of the handle, instead of the (often thinner) spring pal in a liner lock. Front end 48 of locking lever 46 urges thumb post 62 into engagement with base 40 of blade 36 to retain blade 36 in the fully folded position.

In FIG. A flat piece of steel kept under pressure by the rivet assembly that holds 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. 14 showing the second embodiment folding knife with the blade further folded; 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. In FIG. Thumb post 62 is forced in direction 58 by the action of spring 56 into notch 44 of base 40 of blade 36 thereby preventing blade 36 from rotating about pivot 42. a handle, said handle including a first wall spaced apart from a second wall, a central longitudinal axis, a front end, and an opposite rear end; said first wall having a first slot disposed near said front end of said handle, said first slot being completely surrounded by said first wall; said first slot having a first slot axis which is oriented substantially perpendicular to said central longitudinal axis of said handle; said second wall having a second slot disposed near said front end of said handle, said second slot being completely surrounded by said second wall. Tab 149 is received by notch 144 in base 140 of blade 136 when blade 136 is in the extended position, and tab 149 retains blade 136 in the extended position. Pocket knives: Locking mechanisms on pocket knives.

Base 40 of blade 36 has a notch 44 (refer also to FIG. §119(e) of U.S.

to detent the blade into the closed position. In FIG.

Different locking mechanisms are favored by various individuals for reasons such as perceived strength (lock safety) and ease of use (ergonomics).

The Axis-lock was developed by knife manufacturer Benchmade. A back Lock is the most common, others have a liner lock or some other mechanism. 4 showing the folding knife with the blade in a fully folded position; FIG. "stop pin" that redistributes the pressure from the lock to the spine for additional strength. The thumb post is urged by a spring loaded locking lever into a notch in the base of the blade of the knife.

When the user pushes the thumb post out of the notch, the blade can be folded into the handle of the knife. days of receipt and we'll cover the cost of return shipping. Because the spring bar falls behind the hinged part of the knife, the knife cannot return to a closed position. Mid Lock. knives. Clasp Lock. The user holds handle 22 and positions his/her thumb on thumb post 62 and his/her index finger on blase opening stud 64. This application claims the filing benefit under 35 U.S.C. To disengaged the knife, you push up on a clasp so it lifts the piece of metal until the post clears its hole. Middle section 50 is pivotally connected to first 24 a and second 24 b walls by a pivot 54. When a blade is opened, a steel bar is pushed into position using springs, engaging the knife tang and locking the blade into place. 3 is an exploded perspective view of the folding knife; FIG.

Tab 149 is forced in direction 158 by the action of spring 156 into notch 144 of base 140 of blade 136 thereby preventing blade 136 from rotating about pivot 142. This lock is only found in SOG Specialty Knives and is remarkably similar to the AXIS lock. However, it could sometimes be a little tricky to completely press down the Tri-Ad-lock when you want to close the blade.

18 is an enlarged fragmented cross sectional view showing the second embodiment folding knife with the blade in the extended position; FIG. Ambidexterity: Blade can be comfortably accessed with either hand.". 5 is a cross sectional view as in FIG. In terms of function it is pretty similar to the liner lock. The spine doesn't extend all the way to the bottom of the handle.

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. Blade 136 then can be rotated about pivot 142 toward the fully folded position. lessened the possibility of gripping the handle hard enough to depress the 1 is a perspective view of a folding knife; FIG. The ball is also utilized One of the criticisms of this lock is that it is easy to accidently disengage under harder use. The base of the blade has a notch. Spyderco FB03GBKGR Lum Tanto Sprint Forest Green/Black G10 Fixed Blade Knife. ©Copyright 1999-2020 OsoGrandeKnives.com All rights reserved. FIGS. This type of lock closely resembles the axis-lock in terms of function. 5 the user has pushed thumb post 62 away from central longitudinal axis 26 in direction 59 and out of notch 44, thereby allowing blade 36 to be rotated about pivot 42 toward handle 22. Ambidexterity: Blade can be comfortably accessed with either hand.

For instance in our popular Eden 106 pocket knives. Liner locks are one of the more common mechanisms seen on folding knives. Overall, the bar and arc device both function identically and block the tang of the blade from closing when engaged. 16 is a cross sectional view as in FIG. This style folding knife has no lock or backspring.

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