Help with terminology! - Woodworking Talk - Woodworkers Forum
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post #1 of 8 Old 07-20-2019, 07:09 PM Thread Starter
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Help with terminology!

Hi everyone, I'm pretty new to woodwork but fine it a really great creative outlet. I'm looking to make a camping chair and came across a Butterfly Tripolina that looks amazing (like this: One of my many problems for this project is not knowing the name of the different metal joints (a type of swivel joint?) or having access to plans (but trial and error might be fun!). Has anyone done something like this? Any help would be massively appreciated.

Thanks so much for any help!
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post #2 of 8 Old 07-20-2019, 07:58 PM
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I believe the hardware is custom made for those companies that build the chairs. I know I've never seen it available anywhere.
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post #3 of 8 Old 07-20-2019, 11:59 PM
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For leg scissor type joints it is possible to kludge something together.

A round head screw through a washer, leg, washer, leg, washer and nut makes a good joint.

The nut is held in place by either using a non slip nut with a nylon insert or Loctite, red.

In furniture 1/32" is a Grand Canyon
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post #4 of 8 Old 07-21-2019, 02:42 AM
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Here is the original patent that shows the parts:
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post #5 of 8 Old 07-21-2019, 02:44 AM
where's my table saw?
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That got me thinking ^ ......

It would be a metal working "project" to duplicate the hinges exactly, BUT if you left off the folded ears, simple "Z" shaped flat plates would come close. Consider brass for a metal choice. Stainless would be great also but it's a "bear" to saw. DAMHIK. A metal fabrication shop would be able to water jet or laser cut the pieces easily after they program the machine AND they can always make additional pieces later. DAMHIKT. I do a lot of work in stainless with the help of a friendly fab shop. Brass would be the easiest to work with and would look great, however.

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #6 of 8 Old 07-21-2019, 08:58 AM
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Sammy - since you are new to woodworking, I would suggest you
purchase a chair that you like from one of the Camping Box Stores and duplicate
the design into your project. (education and experience is not free).
it is sort of like you want to plug up a ditch but you have the vision of the Hoover Dam.
start small and simple with your projects. your skill level will improve with practice.

and - welcome aboard !!


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-- I am a painter. That's what I do. I paint things --
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post #7 of 8 Old 07-21-2019, 10:37 AM
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It appears the hinges are more like re-enforcing brackets than hinges. If you have access to metal working equipment you might be able to fabricate them. This site has some close up pictures.
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post #8 of 8 Old 07-21-2019, 02:42 PM
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Hi SammyB.

I commend you for such an ambition project to go after!!!

This is way more than just woodworking and evolves textile work and metal smithing too.

As Frank C. kindly provided, this is a old design (and patent) from 1881 in the same related styles as other "Campaign Chairs," and related older designs.

To do these well, and market them, one must have (or should have?) a working understanding of textile/leather skill sets as well as metal working skills.

Building these from scratch is going to be challenging for a novice but rewarding to be sure...Good Luck!!!

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