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#1993268 - 12/01/12 04:32 PM Key Retaining Strip?  
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Withindale Offline
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What is the purpose of the strip of wood on top of the keys going diagonally across the the bottom right of this picture?

[Linked Image]

It's one of Eddie Twang's shots of an Ibach grand in this thread.


Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 140cm
Ibach, 1905 F-IV, 235cm
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#1993270 - 12/01/12 04:34 PM Re: Key Retaining Strip? [Re: Withindale]  
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accordeur Online content
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To keep the keys from falling off when moving the piano.

Last edited by accordeur; 12/01/12 05:21 PM. Reason: spelling

Jean Poulin

Musician, Tuner and Technician

www.actionpiano.ca
#1993285 - 12/01/12 05:18 PM Re: Key Retaining Strip? [Re: accordeur]  
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Withindale Offline
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That's what I thought, but are they common?


Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 140cm
Ibach, 1905 F-IV, 235cm
#1993288 - 12/01/12 05:20 PM Re: Key Retaining Strip? [Re: Withindale]  
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accordeur Online content
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Very common. I can't think of a brand that does not have them.


Jean Poulin

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#1993352 - 12/01/12 06:47 PM Re: Key Retaining Strip? [Re: accordeur]  
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Loren D Offline
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Originally Posted by accordeur
Very common. I can't think of a brand that does not have them.


About a month ago I was called to tune and fix a Kimball La Petite grand. It had no rail. It had recently been moved and you guessed it; the keys were all out of place and jammed.


DiGiorgi Piano Service
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#1993474 - 12/02/12 01:09 AM Re: Key Retaining Strip? [Re: Withindale]  
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Dave B Offline
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It also protects the key from being inadvertently pushed upwards.


"Imagine it in all its primatic colorings, its counterpart in our souls - our souls that are great pianos whose strings, of honey and of steel, the divisions of the rainbow set twanging, loosing on the air great novels of adventure!" - William Carlos Williams
#1993510 - 12/02/12 04:24 AM Re: Key Retaining Strip? [Re: Dave B]  
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Withindale Offline
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Withindale  Offline
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Originally Posted by Dave B
It also protects the key from being inadvertently pushed upwards.

... and the keys being levelled after someone has broken the slots cut into its screws!


Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 140cm
Ibach, 1905 F-IV, 235cm
#1993606 - 12/02/12 10:46 AM Re: Key Retaining Strip? [Re: Withindale]  
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Tuner X Online content
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On a Steinway it will stabilize the treble end of the keyframe. It will flex without it present and affect setting of the shift position stop. Very heavy spring involved.
All the best!

#1993620 - 12/02/12 11:41 AM Re: Key Retaining Strip? [Re: Tuner X]  
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Olek Offline
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France
Originally Posted by Tuner X
On a Steinway it will stabilize the treble end of the keyframe. It will flex without it present and affect setting of the shift position stop. Very heavy spring involved.
All the best!


Sure it may help, but keeping the pedal movt extremely tight is also a good precaution. indeed the action cannot really be "retained" by the pedal movement, but I try to have a bit of the pressure on it (the paper sheet can be pulled out)
This, may compress and move a bit with seasons certainly but if it can help the key frame I am for it (key frame tend to warp where they are cut for the UC movment I've find)


Professional of the profession.
Foo Foo specialist
I wish to add some kind and sensitive phrase but nothing comes to mind.!

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