Three Mystery Tools

[PGB1]

Good Morning! (Or Perhaps Evening?)

Please pardon my tooling ignorance. I'm learning as I go (and go, and go, and go).
Many years ago I bought a neglected 13" South Bend 34-BQ lathe and it came with many boxes of mystery parts. Today I stumbled upon 3 items I had forgotten about (mixed in with some chuck jaws for unknown chucks and a few half Lovejoy couplings).

I'm wondering if any of you all recognize the items in the attached photos & don't mind sharing your expertise. (Assuming I actually succeed in attaching photos. I'm from the pre-computer era so things often go wacky!)

All three items are made of an 'unknown-to-me steel' alloy.

The short item on the left is 1.75" diameter and 0.825" tall. The bore is 0.750" The tapered portion is 0.140" tall.

The item on the right looks to me to be a simple flanged bushing, but I wanted to be sure it is not an important piece of tooling (before I use it for something else). It is 2.00" tall, 1.975" large outside diameter & 1.250" small portion outside diameter. The bore is 0.671". The flange is 0.484" thick (or 'tall'?) There is a hint of green paint on the flange.

The center item looks like it may be a collet adapter for a spindle. (Just guessing from my research)
It is 2.611" tall. The flanged part is 0.464" tall. The diameters are 2.877" flange, 1.675" body before the taper and 1.416" at the smallest OD of the taper. The bore ID is 1.266"

The larger holes are through holes. They are 0.535" diameter.
The smaller holes are threaded to accept 3/8-16 & they go all the way through.
There are no markings regarding a part number or manufacturer on the tool.

It is the holes that have me confused. I wonder if it is for holding collets in a special jig, or if there is an actual spindle that it is meant to be applied to. I looked at as many spindle adapters I could find without finding a similar item, so perhaps I am running down the wrong road.

I am hoping you all may recognize these items, or perhaps point me in the right direction for further research. I love to learn and these have me truly stumped.

Thanks Much & Enjoy Today!
Paul

 

[Bob Korves]

No idea what any of those are for. The one that looks like a collet adapter for a spindle is not, IMO. It would need to have a long taper on the OD and a short taper on the inside at the flange end followed by a cylindrical section ID toward the small end. I could certainly be wrong. They are probably machine parts, application unknown to me but perhaps someone here knows what they fit (and perhaps needs them!).

 

[4GSR]

The moment you chunk them, something will come up that needs them. Toss them back in the corner!

 

[PGB1]

Thanks Bob & Ken for your input & ideas.

You certainly know my life, Ken. Too often, as soon as I ditch something; I wish I'd have kept it.

One of my boxes has dozens of odd shaped spacers that I took out of a broken paper shredder. It is amazing how many times I've used one of those 'trash it' items on projects, either as bushings or for set up shims. Stuff like that is golden to me. Another box is chuck full of springs of all type & size that I've taken from broken stuff. Those sure come in handy- often.

I do find myself making things out of mystery items. But, sometimes I goof and make something out of an item that turned out to have been a part that somebody else could have used, like a chuck backplate I turned into a car part before I ever knew what a backplate was. Oops! Could have given that away to someone who needed it.

My Dad said that when he was a kid in Germany in the 20's he'd always bring home scraps of metal or odd items he found laying about or that he dissected from something that someone discarded; saying "My father night need this someday". Sure enough, his father, a tool maker, used lots of Dad's findings. My junk-o-rama owes its existence to an inherited trait.

I suppose it will be up to my heirs to dig through all the boxes marked "Cool Stuff", "Treasures" and the ever present "Deal With These" box. (Good luck!)
Thanks Again Guys!
Paul