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Get To Know Your Knife

By April 10, 2013 Emerson Knives 8 Comments

Sharpening   |   The Wave Feature   |   How To Use a Liner Lock   |   Cleaning and Maintenance   |   Installing Custom Hardware

Parts of a Knife

The Key to Emerson Grinds

From time to time we get a question like “Hey you forgot to grind the other side of my knife! It’s only sharpened on one side!”Well, the simple answer is this; that’s the way it’s supposed to be.  I developed the Emerson single side edge after years of test, evaluation, research and feedback.  I’ve been doing this for over thirty years now regardless of what type of level grind is on the knife, double V or chisel, I only grind the edge(the sharpest) of the knife on one side.  It produces an extremely sharp; very durable and easy to service (sharpen) edge for hard duty use.

The main difficulty anyone ever has with our grinds is this, “I’m used to knives sharpened on both sides.”  I understand, as that s the way most conventional knives are sharpened.  However, once you break that mind-set, you will find that the Emerson Edge grind (one side only) cuts like crazy, stays sharp and is much easier to sharpen back to cutting capability.  Because, you’reonly dealing with one edge, not two.  I’ve sharpened these knives on rocks, bricks, pieces of pipe, sandpaper, glass andstones of all types and I’ve never had a problem getting a good using edge.  Yes, I admit if I sharpened it on a piece of concrete, EmersonGrindswouldn’t shave with it, but, I have a razor for that.  By the way, if you think of the sharpest piece of steel in your house, what is it?  No, it is not your kitchen knives; it is not your pocket knife.  It is the razor that you shave with every morning.  It doesn’t matter if it’s Schick, Gillette or BIC they are the sharpest blades in your house.  Guess how they are sharpened?  One side only – exactly like an Emerson Knife.

LockInterfaceDiagram

Liner Locks are comprised of a three point contact system.  The three points are:

1. Point where the blade contacts the stop pin.

2. The center point of the pivot bolt.

3. The point where the liner contacts the bottom edge of the blade ramp.

Note: There must be an angle between the blade lock ramp and the face of the liner lock to create the three point lock structure and relationship.  The face of the lock and the face of the spring are not parallel.

Cheap Chinese imports and others who do not understand the mechanics of the liner lock system may think that the lock face on the blade and the face of the liner lock should be parallel, face to face, with full engagement of the lock face against the back of the blade.  They are incorrect.  As both aerospace mechanical Engineer and the third knife maker in the world to use the liner lock system almost thirty years ago, and having made several thousand custom knives and several hundred thousand production knives I assure you that I know of what I speak.

BladeStyles

8 Comments

  • Matt F. says:

    Thank you for explaining your designs. I just purchased two of the new CQC-15s with standoffs to replace my older CQC-15s with the g10 spacer. Why did you decide to switch? Also, what other models have the new standoffs?

  • Andrew M. says:

    What degree should i sharpen my older CQC-7 at?

  • liviu says:

    On a super cqc8 wat are the liners made of ?

  • David Burgess says:

    I have a cqc-7 it has had alot of use and I love it but I’ve lost some screws out of the handle and the thumb button can you replace them

  • Bob says:

    Very good explanation. Diagrams are excellent. Thank you.
    I got my first emerson (CQC7 mini) only recently because I am more of a knife collector than a knife user, which has put me more in the “gents knife” sort of market. I wanted an Emerson because it’s an iconic knife. I find when I leave the house though, or do DIY jobs I’m carrying the Emerson with me most of the time lately. You’ve made a really excellent knife.

  • anthony clark says:

    Just got cqc-7 yesterday my 4th. Emerson first one with stone wash finish love it. Thanks for signed photo as well great pic.

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