Author Topic: Plierench grip clamp  (Read 281 times)

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Online Northwoods

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Plierench grip clamp
« on: April 09, 2018, 06:32:36 AM »
I have a clamp like the one pictured.  Any info on the patent, and is it of interest to Plierench collectors?


Also, on my examples, one shows St. Louis and Chicago, while the other one shows Cincinnati, as well.  Does that give an idea of manufacture date?

The ORIGINAL Northwoods.

Offline Papaw

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Re: Plierench grip clamp
« Reply #1 on: April 09, 2018, 10:02:23 AM »
I had one with the clamp, but have not seen the wire winding jaw.

Twertsy has a page about it-
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Offline Yadda

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Re: Plierench grip clamp
« Reply #2 on: April 09, 2018, 07:50:14 PM »
Finally!  This is in my wheelhouse!

The patent has to be around 1932 or later. With the new Plierench patent in 1932. The clamp came with the master set which usually included 5 different jaws. I've never looked for the specific patent for the Clamp.

As for collectable, yes, but it probably won't bring much unless you get lucky.  Bus, David and I all collect Plierenches,  I have a couple of the clamps and an extra tightening bolt. 

Papaw, the spring jaw has been part of the basic 3 jaw  Plierench set since at least  1921. The salesman kit included pieces of wire to use to demo the spring jaw. 

You might say I have a tool collecting problem....