| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pedal unit of a piano that enables a player to easily adjust stepping-down strength for stepping down a pedal. <P>SOLUTION: The pedal unit 1 equipped with a lever spring 11 between a pedal lever 5 and a shelf plate 2 to place a load on a pedal lever 5 against stepping-down operation is equipped with a slide rail 14 which is installed on the pedal lever 5, a slide member 15 which is engaged with the slide rail 14 slidably along the slide rail 14, a rotary shaft 16 which is engaged with the slide member 15 and is rotatably supported on support parts 5a and 5d, etc.; and one end of the lever spring 11 is made to abut against the shelf plate 2, the other end of the lever spring 11 is engaged with the slide member 15, and the rotary shaft 16 is rotated to slid the slide member 15 along the slide rail 14, thereby moving the lever spring 11. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
