I have recently acquired an Edison Triumph upper works in a box of phonograph parts and it has a carriage shaft with a spiral groove in it. Since the shaft doesn't rotate, I'm unable figure out what purpose the groove serves. Is there a reason for the groove? Apparently, not all Triumph carriage shafts have this groove.
Any thoughts would be appreciated. Thanks!
Cliff
Edison Triumph Carriage Shaft with Spiral Groove?
- CDBPDX
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Edison Triumph Carriage Shaft with Spiral Groove?
Cliff's Vintage Music Shoppe, Castle Rock, WA
http://www.youtube.com/watch?v=QIz_IpaVrW8
http://www.youtube.com/watch?v=QIz_IpaVrW8
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- Auxetophone
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
Sounds like part of the repeater attachment to me
- rgordon939
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
I assume your talking about the shaft like this one on my Triumph Model-E.
Rich Gordon
Rich Gordon
- CDBPDX
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
That's the one, the works I just got are exactly like yours, except no reproducer. How does it work? That shaft does not rotate, right?rgordon939 wrote:I assume your talking about the shaft like this one on my Triumph Model-E.
Rich Gordon
Cliff
Cliff's Vintage Music Shoppe, Castle Rock, WA
http://www.youtube.com/watch?v=QIz_IpaVrW8
http://www.youtube.com/watch?v=QIz_IpaVrW8
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- Victor III
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
The groove in the carriage shaft is just there to hold oil. The carriage shaft in my Triumph model B doesn't have the groove so it must have been something they started later, maybe in the D series.
Nick Hoffmann
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
The later Edison Triumphs have the spiral groove cut into the carriage shaft. I have eight Triumphs and I presume the spiral cut enhances the distribution of any lubricant applied to the shaft.CDBPDX wrote: it has a carriage shaft with a spiral groove in it. Since the shaft doesn't rotate, I'm unable figure out what purpose the groove serves.
Doug
- CDBPDX
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
Here are a couple pictures of the one I got. Needs cleaning, but looks pretty good otherwise.
Cliff's Vintage Music Shoppe, Castle Rock, WA
http://www.youtube.com/watch?v=QIz_IpaVrW8
http://www.youtube.com/watch?v=QIz_IpaVrW8
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Re: Edison Triumph Carriage Shaft with Spiral Groove?
Someone removed the ID plate but it's definitely a model D or later top works with 2/4 minute gearing and no end gate. Looks like someone replaced the mandrel shaft bearing too! Good!