Upright piano
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 28, 2010
Issued Date -
N/A
app pub date -
Oct 10, 2008
filing date -
Oct 11, 2007
priority date (Note) -
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Abstract
An upright piano which is capable of providing a soft pedal effect in a first playing mode for performing acoustic playing, and an excellent performance in a second playing mode, without being affected by step-on of a soft pedal, while properly detecting the rotational position of each hammer, is disclosed. The upright piano includes sensors for detecting the rotational position of a hammer in the second playing mode, a hammer rest rail with which the hammer is in contact in a key-off state of a key, a soft pedal, a pedal rod for pushing up the hammer rest rail as the soft pedal is stepped on, a stopper movable between a permitting position and a blocking position, and a stopper drive mechanism for driving the stopper to the permitting position in the first playing mode and to the blocking position in the second playing mode.
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