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Splined coupler

A variation on the theme is that the crank handle retracts the pin (the 2 disks stay close to one another all the time). Maybe a better solution in that the center shaft doesn't need to be as long, and doesn't get in the way while cranking.
 
Princess Auto may have something like this you could modify to work. Pair of sprockets attached via roller chain - compact and flexible IMG_3552.jpegIMG_3553.jpeg
 
slow-poke said:
I'm looking for a splined coupler set, a bit like a PTO shaft. I'm fairly flexible on tooth count, anything say 7 teeth and up and 1/2-1"1-1/2" diameter. Rigid straight steel, no universal.

I want to fit this between the quill handle and quill shaft on my mill so I can easily change the angle of the handle without tools. I'm looking for something either AkiExpress cheap or readily available at Princess Auto etc.

Something like this, except I need both halves.

My google searches are turning up everything but what I'm looking for.
Click to expand...
Mark Pressling did a video of what I think your trying to do. If you don't already watch him he's on YT.
 
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