sticky ti liner lock

stonproject

stonproject

Joined
Nov 22, 2013
Messages
7,184
Got a new knife I'm pretty stoked about, but the ti liner lock is very sticky, taking considerable force to unlock. However there's zero bladeplay. I've been doing the Sharpie trick to stop the lock stick but the lock is slipping alarmingly easy with sharpy on the lock interface. Barely pushing on the spine will cause the lock to disengage.

Any advice on how to seat the lock? Do I need to send it to the manufacturer? My reservation in doing so is they're probably not making thia variation of the knife anymore. Its a boker.

Thanks for your time.
 
I would send it back to the manufacturer, if the lock slips with Sharpie.

How much lock engagement does it have?
Can push the lock bar further in?
 
miso2 said:
I would send it back to the manufacturer, if the lock slips with Sharpie.

How much lock engagement does it have?
Can push the lock bar further in?
Click to expand...

Its dead on at 50%. Will not travel any further. With no Sharpie the lock will not disengage with a moderate spine whack
 
One observation I just made. When I open knife, and give it a moderate spine tap on my hand, the lock is not sticky when disengaging.

I will read str's post now
 
stonproject said:
Got a new knife I'm pretty stoked about, but the ti liner lock is very sticky, taking considerable force to unlock. However there's zero bladeplay. I've been doing the Sharpie trick to stop the lock stick but the lock is slipping alarmingly easy with sharpy on the lock interface. Barely pushing on the spine will cause the lock to disengage.

Any advice on how to seat the lock? Do I need to send it to the manufacturer? My reservation in doing so is they're probably not making thia variation of the knife anymore. Its a boker.

Thanks for your time.
Click to expand...

It depends. On some knives with lock stick the lockbar seems to lose a microscopic bit of the Ti with each lockstick until enough Ti has worn away that the lock no longer sticks but locks up pefectly. The lock breaking in is a slow subtractive process that wears the Ti until it won't gall anymore. (The new lockbar steel tab inserts make this process far too long.)

In the original Walker liner lock design lock stick was advertised as a safety feature
 
My take away from STRs post is my liner lock is OK. It passes the pressure test, and the tap test. And the lockup is in a good spot with zero bladeplay. I think it just needs a little time to break in.

I will keep this open and update in a few weeks on how the lock is looking and feeling in case it benefits anyone down the road. I appreciate the feedback.

If anyone has any input not mentioned I'm all ears... err... eyes. :)
 
I used a pencil and hit the spine against my palm a couple times. This was on a frame lock.
 
I would not be concerned much with the sticky lock, but the lock slip isn't good.
 
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