Piano
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United States of America Patent
Stats
-
Aug 26, 2003
Grant Date -
Jul 25, 2002
app pub date -
Dec 21, 2001
filing date -
Jan 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sonic-vibration-generating mechanism of a piano is divided into a two-segment structure made up of the sonic-vibration-generating mechanism of the upstream side A and the sonic-vibration-generating mechanism of the downstream side B, and the sonic-vibration-generating mechanism of the downstream side is placed in a layered state onto the sonic-vibration-generating mechanism of the upstream side, with a plural number of weight-supporting elements of a point-support type or a line-support type allocated in between in rows at certain uniform intervals on the support frame 19 installed in the sonic-vibration-generating mechanism of the upstream side A.
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