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the Rex Wrench Co Boston Mass

safariknut

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Michigan
I posted a picture of this awhile back and at the time the wrench handle was the only thing missing from the set.There was a picture or two of these sets on the Alloy Artifacts site and with them was a photograph of a handle next to a ruler which was most helpful.
A good friend of mine who lives several doors down is a machinist for Eberspacher(the exhaust people)and offered to make me a handle if I had the dimensions. He had manufactured a receiver for a gun awhile back so I knew he was capable. Using the pictures on the site I made an engineering drawing of the part and took it down to him last night. After going over the drawing and asking a few questions to clarify dimensions he said he would get it done.
Imagine my surprise when I got home from a job today and found the tool kit with the new handle sitting on my back porch! He even went so far as to stamp the patent date on the handle!
After checking it on the various sockets I found a couple didn;t quite fit.It wasn't his work but variations in the original tools. A little tweaking with a file and grinder cured that problem.
A quick history:the Rex Wrench Co was founded around 1904 and a patent applied for and granted in 1906 for the method of socket attachment. The socket has a hook on the top that fits into a pin on the wrench handle and rotates 180 degrees.A small detent ball in the handle and dimples in the hook allow the socket to sit either straight or at 30,60,and 90 degree angles to the handle.A hole in the opposite end allows a bar to be slid through to act as a T handle.
The sockets rather than having decimal or fractional sizes on them are numbered 1 to 8.A chart in the lid of the box shows what socket to use with what size(shank diameter)bolt and corresponding nut.There is also an open end wrench and a straight screwdriver blade that will attach to the handle. In the illustration on the AA website they show a whole set of open end wrenches designed to fit this handle.
Apparently they weren't very popular because the company went out of business in 1916. I bought this set at a flea market a couple years ago for $15. Don't know what Scott is going to charge for the handle and it really doesn't matter because now I have a functioning tool set that is over a hundred years old!
 

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safariknut

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Last two pictures.
 

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safariknut

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Thats cool its a verry interesting but complicated design compared to what we use today even if I had something else that worked better I would still grab that first , which part was the handle that your friend made?

If you look at the third picture,Scott made the entire handle less the socket and the cross bar. I just spoke with him a short time ago and he informed me that the handle was actually made from three separate pieces he machined and then welded together! I looked at it and thought it was a single piece. He also artificially aged it a bit by adding a few nicks and scratches here and there and giving it a quick bath in naval jelly to blacken it up a bit. The patent date was actually laser etched rather than stamped but it replicates a stamp pretty well.
 
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safariknut

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Do any of the sockets fit modern bolt heads? You have a great antique set. It looks like art to me.
I haven't tried them but I assume that they do. The bolt and nut heads were standard sizes then(USS thread system)but that method apparently was phased out in the early 1920's for the more modern fractional system.
 

Plombob

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That's a very interesting set! There is a Plomb prototype that is very similar in design. Does your friend make small parts? I need one pawl for the tiny Plomb ratchet.
 

four.cycle

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Rex / Rex Wrench Co., 200 Summer Street, Boston, MA / http://alloy-artifacts.org/other-makers-p5.html#rex / patent 820185 May 08 1906 John W. Edmands / https://www.garagejournal.com/forum/threads/the-rex-wrench-co-boston-mass.296020/ /

* note that the company's address changes each year. the company went out of business in 1916.

1908 Automobile Trade Directory Rex Wrench Co. ad pp 285.jpg
1908 Automobile Trade Directory Rex Wrench Co. ad pp 285
1908 Motor Car Journal Rex adjustable socket wrench (Patent 820185 May 08 1906).jpg
1908 Motor Car Journal Rex adjustable socket wrench (Patent 820185 May 08 1906)
1909 Cycle and Automobile Trade Journal Rex Wrench Co. ad pp 262.jpg
1909 Cycle and Automobile Trade Journal Rex Wrench Co. ad pp 262
1909 Horseless Age Rex Wrench Co ad pp 21.jpg
1909 Horseless Age Rex Wrench Co ad pp 21
1910 Automobile Trade Directory Rex Wrench ad pp 473.jpg
1910 Automobile Trade Directory Rex Wrench ad pp 473
 

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