Framelock Lockup Question

Joined
Dec 15, 2016
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3,308
Okay, so I hope this is the right place to ask, but it's something I've wondered a little about. Lockup percentage seems to always be something people mention and I thought why don't people essentially stop the blade from moving over further than say ~50% on a mechanical level. To illustrate I made this fantastic (*cough*) MS Paint drawing (The lockbar insert is the red rectangly thing):
34Iq649.png

Essentiall the lockbar insert gets chamfered and the inside of the cutout in the blade tang so it can move over smoothly but can't move past the center line. The only two drawbacks I can see would be the fact that it's more of a pain in the rear to make (more expensive/labor/time consuming) and that it might develop lock rock depending on how much material gets worn away above the LBI.
Is there something else I'm not considering and it's just simpler and more effective to just angle the LBI and the tang so they connect properly? Keep in mind I'm german, so I like to overcomplicate things.
 
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