What is this wrench

[jtw1313]

I’m sure someone here knows what this is

 

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[BillA]

would suspect a retainer rather than a wrench

 

[marion moore]

Maybe a torque arm for a square shaft. Also looks like the is made to lock in place the way the is made .

 

[potsherd_creek]

Possibly a part off of an old horse drawn implement.

 

[BigDadddy]

4th pic is a ball joint separator wrench. It is aged. I have seen fireman spanners that favored the other one.

 

[BillA]

Bingo
and I have even used, long ago

 

[Tony in SC]

It appears to be a tension arm. The countersunk hole is for mounting with a flat head screw. The fork end is made to hold a threaded shaft, spring, washer and some type of adjusting nut/knob. The early wooden corn shellers had a system close to this. You see this type of adjuster(not exact but close) on many types of farm stuff starting around 1870.

 

[BillA]

TSC, I think I was incorrect