| 摘要 |
PURPOSE:To obtain the keyboard musical instrument on which a string nonstroke performance generating no string stroke sound and a normal performance can be switched without obstructing a touch on a key by changing the period wherein a regulating button changes the direction of the motion of a jack. CONSTITUTION:This keyboard musical instrument is equipped with a tensed string 11, a hammer head 13 which rotates to hit the string 11, the jack 33 which moves a bat 15 forth and back, a 1st center rail 28 which supports the hammer assembly rotatably, the regulating button 35 which abuts on the jack 33 to temporarily limit its motion to change the direction, a hammer stopper 120 which stops the string striking by the hammer head 13, and a 2nd center rail 102 which is rotatable to the 1st center rail 28 and holds the regulating button 35 when the string hitting is stopped. |
