What Exactly is Compression Lock?

Hmmmm
Well, Bram
I wouldn't worry that you had overstepped your bounds
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unless you are hinting that the next Spyderco offering will be a folding sword


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Cleverly Disguised As A Responsible Adult
 
Strong enough for a folding sword?
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Hrunting, the folding scramsax!! Big enough to work as a baton in the closed position, perfect for tight places like underwater monster dens and dragon-haunted barrow mounds! Good for yard-work too, or hacking your way through a bunch of wait-a-minute vines.
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Cross-cultural rhyming as knife design inspiration, from the martial tradition of the Phillipines to the martial tradition of the dark ages at the far end of Eurasia!

BTW, the chain mail should be made from some high-techie stuff so a high-end barbarian warrior can swim while wearing it.
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Sez I, whose shower is as deep as my deep-water diving watch ever goes, and whose Vaquero Grande serves for baked goods emergencies.
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- JKM
www.chaicutlery.com
AKTI Member # SA00001


[This message has been edited by James Mattis (edited 04-27-2000).]
 
HRUNTING: very cool idea..yes, a lawn tool that cleverly opens into a filipino style sword at the flick of ones wrist...ahh its really the NEW SPYDERCO version of a SZABO design "RAD" by Farid.....hmmmmmmmm
gads..I need some time off..I'm sounding like the other inmates!!!
 
The 12" folding scramsax in compression lock, with an open-carry belt sheath, would of course be the Hrunting Junior to allow for an honest-to-gawd sword if Sal's nuts enough to do it!

The Phillipine connection? Nobody's proven that Viking sailors made it to Southeast Asian waters, but nobody's proven that they didn't! Lets see . . . A bunch of Byzantium's Varangian Guard end up behind enemy lines, and some Arab or Persian nobleman decides he can use their sailing and fighting skills to further his commercial interests in trade with the Indies . . .
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And the next line in the song is obviously:

Hi Ho the Spyderco
A Hrunting we will go!

[Big Evil Grin!]

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- JKM
www.chaicutlery.com
AKTI Member # SA00001


[This message has been edited by James Mattis (edited 04-28-2000).]
 
The Compression lock is basically "stuffing" a wedge between the pivot pin and the stop pin. The "wedge" comes in from the side. In the case of the Gunting, it comes in as part of a liner. It could come in via button, or rotation as well.

It is simple in concept, but difficult to make "right" (as is the case with a liner lock).

It has proved to be very reliable and strong in initial testing (MBC rating) at least as strong as the Rolling & Axis locks. It is done with one part.

sal
 
Yes! The quest hasn't yielded a dragon's hoarded treasure yet, or a folding short sword prototype for that matter, but we now know more than we did on the original question!
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So now I'm guessing that one releases the lock by lateral pressure on the top release, meaning that one need not have one's fingers momentarily in the path of the blade to close it, but also meaning that the mechanism is not ambidextrous, so we can expect threads to come, begging for southpaw variants.

Note, however, that Benchmade has given up trying to make money by selling mirror image southpaw liner locks.

Now, however, I'm trying to guess what retains the blade in the handle in the closed position - whether it's a spring as in a lockback or Axis Lock, or a "speed bump" as in most liner locks. If it's a speed bump, the knife would want to be carried tip-down, like the Gunting, and like most liner locks.

And I suspect that anything with as much blade mass as our hypothetical Hrunting would want to be carried tip-down, regardless of the system for holding it closed.



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- JKM
www.chaicutlery.com
AKTI Member # SA00001
 
Richard,

Check out this thread for some pictures of the Gunting. Make sure you go to the second page for pictures of the clip and the knife closed.

Take care,

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Clay

Don't worry that the world might end tomorrow....in Australia it's tomorrow already.
 
The Gunting (see the thread reference above) is an MBC (Martial Bladecraft) folder that can be used to good effect in the non-lethal closed position.

The Hrunting is a pattern-wielded iron sword from the world of myth and legend, or, in this thread, a "wish-list" inspiration for a high-tech long-bladed long-handled brush-clearing, vine-hacking tool with a monster-slaying mystique about it, but it ain't even a rumor of a real product!
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- JKM
www.chaicutlery.com
AKTI Member # SA00001
 
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