6d style feedscrew clutch question

[mratx]

I acquired the feedscrew that used to belong to my Allied Recording branded 6D style overhead, and I was wondering if the normal 6d clutch works the same way. As you can see from the photo, the gear end detaches, and the end of the feedscrew has a notch in it and a small metal pin, which because of the direction of the notch grips the outer sleeve and turns the gear one way but not the other. I was wondering if this is the same as a regular Presto 6d clutch feedscrew. Or even if this is an actual 6d feedscrew, and not made by Allied.

Unfortunately it turns out that this one is inside out, so it's not really of any use other than serving as a model if I need to have one made.

Thanks,

Mark

[rsimms3]

6D style feed screws on top with a 6N on the bottom. My clutch has a base made out of brass and then an extension of a few inches to accept the end of the 6D screw and then has a set screw as seen in the first picture. There's a picture here somewhere on the website of the inside of the clutch. It has one or more tiny fingers that are angled against the clutch mechanism so it clicks and moves freewly when you manually advancing the overhead carriage for run in/run out.

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