How do lockbacks work exactly?

[pinkfloyd101]

I have heard lockbacks are some of the toughest folding knives. How do they work exactly? Do they have springs and many moving parts? They seem like simple locks, but are the as reliable as framelocks?

 

[BenLankford]

This should help.

EDIT: WHOA big picture.

 

[spoonrobot]

Here's a midlock:

Here's a lockback:

 

[Thomas W]

Well...there is more than one way to do up a lock back. Thank Tim Galyean for this innovation.

 

[spoonrobot]

Keeping with the theme; here's a link to the Tri-ad lock.

 

[pinkfloyd101]

Thanks for the replies. I can see how it works now. THAT is one sweet looking buck 110!!!