Can You Tell Me What This Tool is Used For?

Susan_in_SF

Wood and Metal Goddess
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Jul 18, 2017
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Hi guys,
I have been very fortunate where several older machinists gave or sold cheaply to me many vintage handtools/machine accessories. There is one tool that I cannot figure out what it is. The tip of this tool goes in and out. The machinist who gave it to me is no longer around :-(. I tried googling for info and found nothing. If you know what this is, your help would be really appreciated :)
I have a couple of other mstery tools/machinery I will post late after I take photos of them.
Thanks,
Susan
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Kind of looks like a tapping head for use in a drill press. Never seen one quite like that one.
 
What happens when you turn the knurled ring? Look close at the mounting point for the cutter. I suspect it is a boring head, but instead of sliding the working end, it angles the cutter outwards for larger holes.
 
Definitely looks like a tapping head of some sort. The knurled ring probably sets the slip clutch. Does the shaft pull/push in-out?
 
When I tried to turn the dial one way, the whole top came off...looks like- I don't know!20180715_092926.jpg20180715_093232.jpg
 
What happens when you turn the knurled ring? Look close at the mounting point for the cutter. I suspect it is a boring head, but instead of sliding the working end, it angles the cutter outwards for larger holes.
I took pics. See in reply below. When I turned one way, it opens. When I turn but not super tight, the top half moves independently from bottom. Then, when I tighten to #5, the tightest I can turn to, everything is just tight where top and bottom move as one.
 
Definitely looks like a tapping head of some sort. The knurled ring probably sets the slip clutch. Does the shaft pull/push in-out?
I hope my reply below answers your question.
 
Geez, if I can't use it, I can sell it, if if knew what it was! I am going to upgrade my membership when it get paid in a few weeks. Then I can sell you guys super deals on stuff I don't use. Gotta make space in my garage, and other places, lol
 
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