homemade crossbow help

[King_TaTer]

after studying your picture for 5 minutes i didnt get it. it would have helped if you labeled it lol

[PVC Arsenal 17]

Looks like there's a notch cut out and then the trigger lever raises a bar that pushes the string up out of the notch.

[zeldazork]

I found this article from an old mechanics Illustrated from a google search.
ZZ

[zeldazork]

Maybe these will be clearer.
ZZ

[judgment_arms]

I think it should be easy to understand.
The gray is the bolt, the red the trigger assembly, blue is pivot points, the yellow the string, and the brown the crossbow.

[pyromanic13]

just use a rubber band gun type mechanisim (sp?)

[Pyro Ninja]

For some weird reason most of your pics never work for me (killa)