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Percentage Of Lockup- please help me understand...

S

stog75

Joined
Feb 24, 2003
Messages
198
Im kind of a newbie here when it comes to knife lexicon and nomenclature. Could someone please indulge me and provide insight to the term %lockup? Ive seen pictures of knives for sale claiming 50% lockup, etc. What part of the locking system is at 50%? Is it 50% of the lockbar face that engages the blade or is it 50% of the blade tang that is caught and wedged by the frame/liner lock?

Also, how does the increase of %lockup imply a reduction in remaining service life of the locking mechanism? I figure the greater lock surface area engaging the tang implies a stronger locking system? What am I missing?
 
Percent is listed so people could have a general idea of how much life is left in the mating surfaces before lock rock starts.

Knife nuts care because earlier lockup because it means generally longer life, can be seen as less wear or a more perfect knife for picky users/collectors and especially resellers/investors.

Not something I really worry about, JMHO.
 
Thanks Skimo- I totally understand it from a purchaser/collectors point of view. With use, the lock bar travels deeper and deeper into place. Less initial engagement = greater potential travel distance = implying longer service knife life. Was just wondering if it translated into real-life implications.

100% lock engagement resulting in lock-rock will surely have real-life implications!
 
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