Hidden Blade

[Chazodude]

well i think i know how the patent works, there are two springs attached to the button and when you push the button forward the the top spring pushes the blade up and the bottom one sort of pushes it up.
kinda hard to understand but i think that is how it works.
The locking mechanism uses an indent at the back of the blade and two pincers wich are pulling togethor get caught in it and stopp it moving untill the button opens them again.
hard to understand but im not able to do much explaining as im not that good at this stuff. all i can say is try to visualize the mechanism and your thumb pushing that button up!

 

[23Magnum]

well i think i know how the patent works, there are two springs attached to the button and when you push the button forward the the top spring pushes the blade up and the bottom one sort of pushes it up.
kinda hard to understand but i think that is how it works.
The locking mechanism uses an indent at the back of the blade and two pincers wich are pulling togethor get caught in it and stopp it moving untill the button opens them again.
hard to understand but im not able to do much explaining as im not that good at this stuff. all i can say is try to visualize the mechanism and your thumb pushing that button up!

Chazodude, you have it, just needs a little help on the explaining part. So here's a little bit of visual ad.
(Ignore the tiny random lines)

So JustyB, as Chazodude was saying...the two springs in the top half the blade handle are the ones use to propel the blade forward and backward. They work together(top image). While one is put in compression(blue), the other is put in tension(red), and they remain so till the tabs(red arrows in top image) on the button switch are pushed far enough forward or backward to trigger the release arms(in bottom image). The release arms are held in place by a leaf spring(center of handle, bottom image). The leaf spring pushes on the back of the arms outward forcing the other end of them inward. These are what hold the blade piece in place. The back end of the release arm is pushed inward when the button switch piece slides forward or backward to a certain position on the handle of the knife.

This doesn't really cover everything that's going on in the knife precisly, but it's very hard to explain verbally(or in text). This should give you a better idea of what's going on though.

Let me know if you have any other questions about it.

Also, you can check out my design in my topic. There's a link in my sig.

-Magnum

 

[Chazodude]

hey 23 i have updated my post in your thread and i need some help.
i want to mechanize the design but i dont know how to fit it into the space i have.


any help is appreciated,

chazodude

 

[tsuyosa]

Don't know if you would find any of the images in this thread useful ...

http://www.therpf.com/showthread.php?t=37371