| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a keyboard which is simple in mounting of a weight and allows the easy regulation of a touch weight while using a substitutive material in place of lead as a material for the weight. SOLUTION: This keyboard has a freely oscillatable keyboard body 2 which has a section of a rectangular shape, extends in a longitudinal direction and is formed with a recessed part 2a on the front part of a top surface along the same, the planar weight 3 which is composed of a composite material formed by blending plural kinds of material having the specific gravity varying from each other, exclusive of the lead, is housed in the recessed part 2a of the keyboard body 2 and imparts the weight to the keyboard body 2, and a keyboard cover 4 which is mounted to cover the weight 3 in the front part of the keyboard body 2.</p> |
