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#1993268 - 12/01/12 04:32 PM Key Retaining Strip?
Withindale Offline
1000 Post Club Member

Registered: 02/09/11
Posts: 1808
Loc: Suffolk, England
What is the purpose of the strip of wood on top of the keys going diagonally across the the bottom right of this picture?



It's one of Eddie Twang's shots of an Ibach grand in this thread.
_________________________
Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 55" upright
Ibach, 1922 49" upright (project piano)

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#1993270 - 12/01/12 04:34 PM Re: Key Retaining Strip? [Re: Withindale]
accordeur Offline
1000 Post Club Member

Registered: 06/23/06
Posts: 1121
Loc: Québec, Canada
To keep the keys from falling off when moving the piano.


Edited by accordeur (12/01/12 05:21 PM)
Edit Reason: spelling
_________________________
Jean Poulin

Musician, Tuner and Technician

www.actionpiano.ca

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#1993285 - 12/01/12 05:18 PM Re: Key Retaining Strip? [Re: accordeur]
Withindale Offline
1000 Post Club Member

Registered: 02/09/11
Posts: 1808
Loc: Suffolk, England
That's what I thought, but are they common?
_________________________
Ian Russell
Schiedmayer & Soehne, 1925 Model 14, 55" upright
Ibach, 1922 49" upright (project piano)

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#1993288 - 12/01/12 05:20 PM Re: Key Retaining Strip? [Re: Withindale]
accordeur Offline
1000 Post Club Member

Registered: 06/23/06
Posts: 1121
Loc: Québec, Canada
Very common. I can't think of a brand that does not have them.
_________________________
Jean Poulin

Musician, Tuner and Technician

www.actionpiano.ca

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#1993352 - 12/01/12 06:47 PM Re: Key Retaining Strip? [Re: accordeur]
Loren D Offline
2000 Post Club Member

Registered: 06/22/10
Posts: 2545
Loc: PA
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 (1984-2013)
http://www.digiorgipiano.com

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#1993474 - 12/02/12 01:09 AM Re: Key Retaining Strip? [Re: Withindale]
Dave B Offline
1000 Post Club Member

Registered: 08/01/11
Posts: 1734
Loc: Philadelphia area
It also protects the key from being inadvertently pushed upwards.

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#1993510 - 12/02/12 04:24 AM Re: Key Retaining Strip? [Re: Dave B]
Withindale Offline
1000 Post Club Member

Registered: 02/09/11
Posts: 1808
Loc: Suffolk, England
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, 55" upright
Ibach, 1922 49" upright (project piano)

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#1993606 - 12/02/12 10:46 AM Re: Key Retaining Strip? [Re: Withindale]
Tuner X Offline
Full Member

Registered: 08/23/11
Posts: 35
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!

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#1993620 - 12/02/12 11:41 AM Re: Key Retaining Strip? [Re: Tuner X]
Olek Offline
6000 Post Club Member

Registered: 03/14/08
Posts: 6390
Loc: 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)
_________________________
Isaac OLEG - http://picasaweb.google.fr/PianoOleg pro

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