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Apr 3, 2020 - 7:45:28 AM
943 posts since 6/13/2012

The universal fan type tail pieces that have been around since the invention of the Dobro are still in use today by most luthiers.
Does anybody know who came up with this design ?
There are other designs such as the trapeze type tail piece that have been around since the '30's.
But how did the fan type come about ? Did the Dopera brothers invent it ?
Let's hear from you out there on this topic.

Apr 3, 2020 - 10:25:21 AM

3212 posts since 7/27/2008
Online Now

I would think the Dopyeras came up with that tailpiece when they started building  Dobros in the late 1920s.

The item is numbered in the patent drawing from 1932.


 

Edited by - MarkinSonoma on 04/03/2020 10:25:44

Apr 3, 2020 - 1:07:34 PM

2005 posts since 8/3/2008

Pretty sure National was using a very similar stamped tail, pre Dobro.

h

Apr 3, 2020 - 3:39:50 PM

3212 posts since 7/27/2008
Online Now

quote:
Originally posted by hlpdobro

Pretty sure National was using a very similar stamped tail, pre Dobro.

h


Which was likely invented by John Dopyera.

Apr 3, 2020 - 3:41:41 PM

964 posts since 2/2/2011

quote:
Originally posted by hlpdobro

Pretty sure National was using a very similar stamped tail, pre Dobro.

h


Ummm, sure, but who was doing the design work at National?  Might still be the Dopyeras or one of the Barths (still Dopyeras through marriage). Adolph maybe? He was a metal fabricator. Wasn't he?

Apr 3, 2020 - 4:05:23 PM

2005 posts since 8/3/2008

Likely a question without an answer.

But, keeps you occupied! smiley

Apr 3, 2020 - 6:07:41 PM

223 posts since 9/24/2014

1927, one of the very first National's. Hand made by the Dopyera's, a prototype.

Edited by - Wildeman on 04/03/2020 18:10:38

Apr 3, 2020 - 6:11:45 PM

223 posts since 9/24/2014

Well, tried to post a pic but my luck is weak today

Apr 4, 2020 - 7:46:33 AM

oswald

USA

90 posts since 8/17/2008

That was a pretty common design on parlor type guitars also. Not identical to the Dobro design, but similar in looks with the same general function.

Apr 4, 2020 - 8:50 AM

1047 posts since 9/29/2009

See the patent drawing for a Tricone, the first of the 3 designs, and an example of the tailpiece shown in the drawing. Looks like it was later simplified, leaving off the posts.




Apr 4, 2020 - 12:11:58 PM

2069 posts since 8/5/2008

Occasionally, you see one like that on Ebay with the posts. Not sure what their function was. Maybe like the spring on some on the import tension screws. : )

Apr 4, 2020 - 12:50:30 PM
like this

daver

USA

607 posts since 9/2/2008

quote:
Originally posted by otdobro

Occasionally, you see one like that on Ebay with the posts. Not sure what their function was. Maybe like the spring on some on the import tension screws. : )


I'd guess that the posts would be used for loop end strings if ball end strings weren't available.  But I weren't there to know for sure...

Apr 4, 2020 - 2:43:57 PM

2069 posts since 8/5/2008

quote:
Originally posted by daver
quote:
Originally posted by otdobro

Occasionally, you see one like that on Ebay with the posts. Not sure what their function was. Maybe like the spring on some on the import tension screws. : )


I'd guess that the posts would be used for loop end strings if ball end strings weren't available.  But I weren't there to know for sure...


That makes sense. I bet you're right.

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