Parts question about Linhof Technika IV 4x5

[softfascination]

Hello,

A part broke off of my camera broke off and I'm hoping to identify it so that I can repair it.

Would someone please help identify this part:

 

[abruzzi]

I'm guessing its the spring that pushes the leg to engage with the pin up there. Mine is a master technika and it looks different, but that seems to be the bit missing in the second picture.

 

[Analogon]

On my TECHNIKA IV it looks like this.
If you need further pictures, let me know via PM.