The Shop > Tools
Look familiar?
vtsteam:
I was looking through a very old Model Engineer volume when I came across this. From April 23, 1903 M.E.:
awemawson:
Very little in the mechanical world is truly new. I suppose that there are just so many ways to do something and usually someone has done it before.
vtsteam:
Wasn't the diamond tangential toolholder patented recently?.
This holder is 111 years old, and has an angle adjustment capability as well.
NormanV:
A similar one was featured in Edgar Westbury's book "Lathe Accessories" first published in 1943
mattinker:
I had a quick Google for both "Diamond tool holder patent" and "Tangential tool holder patent" and came up with nothing. I suspect that it was Patented before it's "re-issue" and the Patent is now lapsed. The "Eccentric Engineering" web site makes no mention of a Patent and there are so many instances of this showing up since the second world war that I doubt that there is a patent covering this particular "invention"!
The Madmodder thread reply N°5 by Bill Todd
http://madmodder.net/index.php?topic=3777.0
shows an 1879 patent which looks like the one Steve found!
I've often thought about making one, maybe I'll get a roundtoit one day!
Regards, Matthew
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