| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic keyboard musical instrument for obtaining key touch feeling of weightyness without becoming large-sized. <P>SOLUTION: In the electronic keyboard musical instrument, keys 10 are supported by a frame 20 so that front ends of the keys 10 are swung by arranging the pushed and separated keys 10 above the frame 20; hammers 40 are supported by the frame 20 so that rear ends of the hammers 40 are swung by arranging the hammers below the frame 20; rear end part of the hammers 40 are protruded upward from an opening part 24 and below the keys 10 by providing the opening part 24 in a part facing rear end side parts of the hammers 40 in the frame 20; and a rib-like sidewall 25 extending rightward and leftward, forward and rearward of a part providing the opening part 24 is provided on a lower face of the frame 20. <P>COPYRIGHT: (C)2009,JPO&INPIT |
