After half a dozen iterations, this was the first reasonably working, acceptable feeling, and good-sounding ratchet mechanism.
allows clockwise rotation blocks counterclockwise rotation
design features:
To get a full ratchet: mirror the assembly and add a mechanism/part that pushes one of the springs out. In neutral both leavers are engaged and the ratchet is completely locked.
Btw. Good luck copying it without going through half a dozen of iterations. Going from it barely works to this isn’t easy. For my part: Version 5 was working and close to the final design. It took another 10 rounds to get it usable and from there some more to fine-tune it.
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