Interesting ebay find
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  1. #1
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    May 2014
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    Interesting ebay find

    With a little bit of modification these could be quite useful for helping to set up light fabrication jobs on a table - http://www.ebay.com/itm/Portable-4-M...item417ac6697a

  2. #2
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    Re: Interesting ebay find

    All day I've been scratching my head on how to make something pivot and twist, this would be perfect.
    thank you
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  3. #3
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    Re: Interesting ebay find

    Your welcome - glad to be able to give something back seeing as I've been asking a lot of questions. If you go to their store you can find clamps that will hold up to 2" tube that fit straight on to those as well.

  4. #4
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    Re: Interesting ebay find

    Someone on this forum made something functionally equivalent to this but in my opinion much better. Can't remember who it was...
    Gravel

    The difference between theory and practice is that in theory there is no difference.

  5. #5
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    Re: Interesting ebay find

    I don't think those pot metal camera mounted clamps would have any hope of holding a 5 lb or even 1 lb piece of metal, let alone last. This however, will. Is this the post you were looking for, Gravel?

    http://weldingweb.com/showthread.php...welding-clamps

    Last edited by bearston; 06-21-2014 at 07:22 AM.


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  6. #6
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    Re: Interesting ebay find

    Quote Originally Posted by bearston View Post
    I don't think those pot metal camera mounted clamps would have any hope of holding a 5 lb or even 1 lb piece of metal, let alone last. This however, will. Is this the post you were looking for, Gravel?
    I wasn't so much thinking of them holding things up, more just applying sideways pressure to help keep things aligned.

    Those are basically a simplified copy of the arms that underwater photographers use to hold their strobes etc out to the sides.

  7. #7
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    May 2014
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    Re: Interesting ebay find

    year ago.. actually decades ago, my dad had a fixture that was used to hold television chassis for repair. It had a double pivot like the one shown made out of machined steel and about 6" long, and it had a base a foot across to bolt it to your bench.. the bracket that held the chassis was adjustable from 18" to about 28" and you could hold a 50# chassis in any position. back when tvs had tubes and only 3 channels. I remember actually hanging off this thing wen I was about 4. it was quite strong.

  8. #8
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    Re: Interesting ebay find

    Quote Originally Posted by bearston View Post
    I don't think those pot metal camera mounted clamps would have any hope of holding a 5 lb or even 1 lb piece of metal, let alone last. This however, will. Is this the post you were looking for, Gravel?

    http://weldingweb.com/showthread.php...welding-clamps

    That's the one. Thanks!
    Gravel

    The difference between theory and practice is that in theory there is no difference.

  9. #9
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    Re: Interesting ebay find

    Received mine in the post today - they feel like they will hold a lot when they are locked up - will be very useful!

  10. #10
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    Re: Interesting ebay find

    For the heavier fabrication, you could try one of these.

    http://www.homemadetools.net/rotatin...-welding-table
    If you don't want to stand behind our Troops, feel free to stand in front of them.

  11. #11

    Re: Interesting ebay find

    If you're looking for similar types of pivoting arms and clamps check out Manfrotto. The majority of stuff holding together equipment on movie and photo sets is going to be their gear. Or a comparable brand.

  12. #12
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    Mar 2011
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    Tucson, AZ
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    Re: Interesting ebay find

    I use a similar mount on my hobie for fishing rod holders made by Ram. Properly tightened, holding a 6 ft rod and trolling a big crankbait at 5 kts, I don't have a problem with them moving. That's a lot of force on the little ball mount. I have no doubt that it would hold 5 to 10 lbs. The ball has some kind of rubber coating to increase friction, and the arms themselves are anodized aluminum. That being said, it would be insane to try to use one in a shop environment in close proximity to welding, I'm sure you could make something more durable for the application, and less expensive to boot.

    My boat, with a few shots of the ram mounts;

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    Sorry, kayak porn, couldn't help myself

  13. #13
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    Jun 2010
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    Re: Interesting ebay find

    Quote Originally Posted by Gravel View Post
    Someone on this forum made something functionally equivalent to this but in my opinion much better. Can't remember who it was...
    I think flexible arms for dial indicators is the post you are talking about. They can be set in any position and locked. Play dough works good for holding delicate items for glueing or tacking.

  14. #14
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    Re: Interesting ebay find

    Quote Originally Posted by blackbart View Post
    I think flexible arms for dial indicators is the post you are talking about. They can be set in any position and locked. Play dough works good for holding delicate items for glueing or tacking.
    Actually, bearston was right about the ones I was thinking about. They were posted by acourtjester though he said he got the idea from someone else.
    Gravel

    The difference between theory and practice is that in theory there is no difference.

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