Why are lockbars on framelock knives milled?

[all day still]

What are the 3 grooves on the lock bar for?

 

[Silvanus]

Pic isn't working

 

[RevDevil]

Why are they milled? So they can flex and bend into the desired position. Different manufacturers use different styles, some use a inside cut out, or outside cut out, some get fancy and add scalloped grooves, etc. Artistic expressions are what I'd call it.

 

[T. Erdelyi]

Relief cuts allowing the titanium lock bar to spring back after being bent. I can't see the pic but I'm guessing you're talking about a Sebenza or similar quality knife.

 

[Sonnydaze]

computer-user glitch.

 

[Sonnydaze]

I've noticed recently that these relief cuts, generally on the "inside of the bar," are often milled on the outside of the bar by an increasing number of knife-makers. There is some dispute concerning the preferred placement versus "straight-line" lock-bar failure.

 

[fetzer85]

Interesting fact - most of my framelocks are narrower at this milled point than my liner locks yet some see the fat end that engages with the tang and feel like they're 'stronger'. Time to rethink that...