MuscleChuck vs Whiteside Eliminator...huh...? - Router Forums
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post #1 of 39 (permalink) Old 03-07-2015, 10:08 PM Thread Starter
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Default MuscleChuck vs Whiteside Eliminator...huh...?

Since joining the forum I've seen, read, heard about Musclechuck...

So now there is a Whiteside version of the Musclechuck...?

Have I missed something along the way or has Whiteside's version always been there...?

Can one of you MuscleChuck'ers 'splain that Lucy...?

...then I'll go back to sleep...

Thanks...Nick

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post #2 of 39 (permalink) Old 03-07-2015, 10:22 PM Thread Starter
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Never mind...got my answer...should have researched before posting...

Thanks...Nick

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post #3 of 39 (permalink) Old 03-07-2015, 10:49 PM
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Well? You've got some 'splainin' to do, Lucy...
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post #4 of 39 (permalink) Old 03-07-2015, 11:08 PM Thread Starter
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Well? You've got some 'splainin' to do, Lucy...
I subsequently found (Detroit) Mike's thread describing extensions (June 2013) and then reviews back to 2008 for Whiteside Eliminator.

I guess the forum discusses the Musclechuck so much I got the impression it was the only one on the market. When I ran across the Whiteside I was a bit surprised...

....then I wished I knew how to delete the post... :-)

Thanks...Nick

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post #5 of 39 (permalink) Old 03-08-2015, 12:15 AM
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For the benefit of those who don't know, what is now known as the "Elininator" was invented by the same John DeRosa who designed the MUSCLECHUCK but sold the patent some time ago, I believe at the time of the patent it was simply called the DeRosa chuck. Unlike the MUSCLECHUCK which he designed and patented later, it relies on a cam gripping just one point of the bit's shank as opposed to an even grip all round giving I'm told a far greater grip than a conventional collet chuck, and both chucks only require an Allen key for bit change.
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post #6 of 39 (permalink) Old 03-08-2015, 12:26 AM Thread Starter
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For the benefit of those who don't know, what is now known as the "Elininator" was invented by the same John DeRosa who designed the MUSCLECHUCK but sold the patent some time ago, I believe at the time of the patent it was simply called the DeRosa chuck. Unlike the MUSCLECHUCK which he designed and patented later, it relies on a cam gripping just one point of the bit's shank as opposed to an even grip all round giving I'm told a far greater grip than a conventional collet chuck, and both chucks only require an Allen key for bit change.
Thanks, Harry...So, first came DeRosa chuck, then sold patent, then Eliminator, then Musclechuck...? And the eliminator does not grab the same way as the Musclechuck...?

Have I got it...?

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post #7 of 39 (permalink) Old 03-08-2015, 10:12 AM
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Quote:
Originally Posted by Nickp View Post
Thanks, Harry...So, first came DeRosa chuck, then sold patent, then Eliminator, then Musclechuck...? And the eliminator does not grab the same way as the Musclechuck...?

Have I got it...?
Almost, the Eliminator on the original patent application was simply known as the DeRosa chuck which had a cam that gripped the bit shank in one spot, this was sold and became the Eliminator. Some time later, John DeRosa invented a chuck that gripped the shank allround it's circumference and this was and is known as the MUSCLECHUCK.
I recently came across the patent application whilst doing a Google search. It is a very comprehensive highly technical very big document.

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post #8 of 39 (permalink) Old 03-08-2015, 11:35 AM
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So, to carry this a little farther, do you think the Musclechuck is better than the Eliminator (Elininator??)?
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post #9 of 39 (permalink) Old 03-08-2015, 01:26 PM Thread Starter
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Quote:
Originally Posted by harrysin View Post
Almost, the Eliminator on the original patent application was simply known as the DeRosa chuck which had a cam that gripped the bit shank in one spot, this was sold and became the Eliminator. Some time later, John DeRosa invented a chuck that gripped the shank allround it's circumference and this was and is known as the MUSCLECHUCK.
I recently came across the patent application whilst doing a Google search. It is a very comprehensive highly technical very big document.
I see...I read the patent and it is quite the description. It notes very well the differences between the original patent and the current Musclechuck. Thanks for pointing out the patent document...It is obvious from the graph that the Musclechuck has greater holding power for lesser tightening.

Nick

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post #10 of 39 (permalink) Old 03-08-2015, 07:11 PM
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As usual, Harry. Nice explanation.

We, woodworkers are everywhere!!!
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