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MMD > Archives > April 2007 > 2007.04.03 > 05Prev  Next


Unknown Player Action in David Moore Piano
By John A. Tuttle

Hi All,  The question about the player action in the David Moore
piano has been, I believe, answered conclusively.  Today I received
more information from the owner, which led me to the Google Patent
Search web page:  http://www.google.com/googlepatents/about.html

There I was able to find all of the patent numbers that were listed
on a paper/cardboard label that is mounted to the left of the spoolbox
on the deck board.  (I've sent all of the drawings to the owner and
to Robbie for the MMD Archive.)

The stack, tempo indicator, sliding foot pedal door assembly,
transmission, and the keylock assembly were all invented by
"William G Betz, of Steger, Illinois, Assignor to Steger & Sons
Piano Manufacturing Company, of Chicago, Illinois, a Corporation of
Illinois".  The latest patent date is for the transmission.  The
patent was filed on February 18, 1910 and granted on August 29, 1911.

Lastly, this adventure led me to the thought that it is well within
the realm of reason that it is possible to provide both pictures and
explanations of the player mechanisms about which there is little or
no information.  In a sense, a sort of service manual can be created
with the information in the patents, as long as I can get the
applicable patent numbers.  As time permits, I will be asking the
MMD readers for the patent numbers found on certain makes of player
mechanisms about which I have been unable to find any information.

I do hope that we'll finally be able to add some totally new
information to the database of existing information so that future
generations will be able to find it quickly.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA

 [ Look for "David Moore" at http://mmd.foxtail.com/Pictures/
 [ -- Robbie


(Message sent Tue 3 Apr 2007, 03:53:15 GMT, from time zone GMT-0400.)

Key Words in Subject:  Action, David, Moore, Piano, Player, Unknown

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