Wrench with non-parallel jaws

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Subject Author Date
Wrench with non-parallel jaws Bob Engelhardt 06-10-2008
Posted by Larry Jaques on June 11, 2008, 7:54 am
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On Tue, 10 Jun 2008 21:03:20 -0400, with neither quill nor qualm, Bob

>The jaws on this wrench are not parallel:
>
>http://home.comcast.net/~bobengelhardt/wrench.jpg
>
>Specifically, the face of the movable jaw is perpendicular to the
>"ways", but the fixed face is not. But they aren't sprung or worn that
>way. It seems that it was made like that. But why? Just plain poor
>quality? But that's *really* bad. It's an old wrench, not Chiwandian.
> It says drop forged, if that helps.

Yeah, it's likely that they _are_ sprung, Bob. Look for pipe marks on
the handle length. It was likely 4-6' long. ;)

--
Besides the noble art of getting things done, there is a nobler art of
leaving things undone. The wisdom of life consists in the elimination
of nonessentials. -- Lin Yutang

Posted by Leo Lichtman on June 11, 2008, 12:42 pm
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"Bob Engelhardt" wrote: (clip) the face of the movable jaw is perpendicular
to the
> "ways", but the fixed face is not.(clip)
^^^^^^^^^^^^^^^^^^^
Can you remove the movable jaw and measure the angle between the face and
the "tang?" When you overlead this type of wrench, that's the most likely
place for it to bend. I realize that is in conflict with your statement
that the movable jaw is 90 degrees to the "ways," but it is still worth
checking. I disagree with those who think it may have been made that way on
purpose. That would be like building a car with a flat tire <G>.



Posted by Ron on June 11, 2008, 4:00 pm
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My suspicion is that this wrench has been abused in the past
and then had the jaws ground or filed freehand in an attempt
to fix it. Look at the curve at the start of the fixed jaw
and the sharp 90 degree corner of the movable jaw. If it had
been manufactured that way, it would never have closed
completely.

I have a ten inch long or there abouts monkey wrench that I
have used a three or four foot pipe on that looks very
similar except for the fact that yours could never have
closed tight.

Also, this may have been manufactured as part of a line that
is mostly hand made where each movable jaw is fitted to the
individual wrench that it was sold with. If a person had two
of them, it would be easy to assemble them with mismatched
parts.

Ron


Bob Engelhardt wrote:
> The jaws on this wrench are not parallel:
>
> http://home.comcast.net/~bobengelhardt/wrench.jpg
>
> Specifically, the face of the movable jaw is perpendicular to the
> "ways", but the fixed face is not. But they aren't sprung or worn that
> way. It seems that it was made like that. But why? Just plain poor
> quality? But that's *really* bad. It's an old wrench, not Chiwandian.
> It says drop forged, if that helps.
>
> Bob
>

Posted by Bob Engelhardt on June 11, 2008, 8:51 pm
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Thanks for all the comments - some interesting and likely ideas. The
bottom line is that I shouldn't let myself get distracted with stuff
like that. Toss it & forget it.

Thanks again,
Bob

Posted by Ned Simmons on June 11, 2008, 9:28 pm
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On Wed, 11 Jun 2008 20:51:26 -0400, Bob Engelhardt

>Thanks for all the comments - some interesting and likely ideas. The
>bottom line is that I shouldn't let myself get distracted with stuff
>like that. Toss it & forget it.

Make sure it isn't worth something before you toss it.
http://www.wrenchingnews.com/ervin-auction-2008/catalog.html

--
Ned Simmons

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