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post #1 of 11 (permalink) Old 06-15-2014, 07:03 PM Thread Starter
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Hello my name is Jared Dwarshuis. About twenty years ago my friend Larry and I developed a set of simultaneous joints for woodworking. I have written a paper describing this joinery and there is a you tube presentation under the title:

A fundamentally new type of woodworking joint

The paper describing the joinery can be found either by searching for (Jared Dwarshuis) where you can see some furniture using this joint and find the paper or by searching for (simultaneous joinery)

Thanks from Jared Dwarshuis
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post #2 of 11 (permalink) Old 06-15-2014, 08:03 PM
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Welcome to the forum, Jared.

I cannot locate anything with that title.

I found this once I searched under your name:

A fundamentaly new type of joinery for woodworking. - YouTube

The video is too fast for me to see the joints. They just look like half lap joints twisted to lock in place?

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post #3 of 11 (permalink) Old 06-15-2014, 09:25 PM
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Looks interesting but way to much work for me.

Making sawdust & scraps all at the same time
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post #4 of 11 (permalink) Old 06-15-2014, 09:35 PM
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Hello and welcome to the forum

Looking forward to your participation.
Filling out your profile to include (first name,tools and short bio is strictly (optional )but does help members to better relate to each other.
Thank You John
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post #5 of 11 (permalink) Old 06-16-2014, 06:00 AM
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Jared Dwarshuis I'm a Professional Cabinetmaker and I can't think of one useful thing that I would make with your joint, perhaps Ikea could make a kit coffee table where you don't need a screwdriver. N
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post #6 of 11 (permalink) Old 06-16-2014, 06:35 AM
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Today my time is limited, but my placing a note here adds "topical flotation" and then it will continuously be available as long as new posts occur. I have some "new type joint" ideas myself - but they are mainly for plastic extrusions.

Otis Guillebeau from Auburn, Georgia

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post #7 of 11 (permalink) Old 06-16-2014, 08:27 AM
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Welcome and glad you posted. I have a couple of industrial patents and from personal experience, the term "fundamentally new" is difficult to achieve in 1994 or 2014 as almost everything is based on the work of others. I thought 20 years ago that I had achieved something "new" only to find a description of my device in a 1821 patent, that could never have been built as technology had not caught-up to that thinker from 100+ years ago. I have to agree with James that more detail is needed to make a judgment call but from what I see you have developed a modification of the old "Lincoln Logs", replicated the joints used in (example) 1700's cabins located in the Smokey Mtn National Park, Cades cove area and the fundamental techniques used in earthquake resistant Japanese homes and temples from long ago (1600? ~ 1900 ad) also known as a rolling joint as it moves with the sway of the ground swell. While none are identical to yours, they are close enough to be considered "prior art". Several universities (MIT, UC-Berkeley, etc - circa 1970) also developed joints similar to yours for use in high rise buildings located in earthquake zones and offered these to the worlds architects at no charge in order to make the world a safer place. Given that your joints are integral to a bendable beam and require a stiffener (rubber band) to maintain the integrity of the joint I can not think of a practical use that would justify the outlay in time and materials vs. known techniques. I applaud your enthusiasm but had someone tempered mine I would have been able to spend several more years with my children before they became adults. Please post another video of your joint explaining the design, manufacture, uses and advantages over existing techniques, as I could be very wrong in my assessment and given additional information I would be happy to revise my assessment. Please send me a copy of your paper to my profile email.

Good luck in your quest - Baker

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post #8 of 11 (permalink) Old 06-16-2014, 08:31 AM
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Jared,
I googled and read your pdf file and found it very interesting. One question I have is I would like to know what your thought process was in order for You and Larry to create these types of joints. Here is your article
http://www-personal.umich.edu/~mssd/...and_morris.pdf
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post #9 of 11 (permalink) Old 06-23-2014, 06:54 AM Thread Starter
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Hello Gary

The thought process was first realizing that the puzzle piece could be part of a grid that could be assembled simultaneously. The second thought is that the geometry of the puzzle piece could likely be modified.
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post #10 of 11 (permalink) Old 06-24-2014, 05:29 AM
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Wow!
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