| 摘要 |
PROBLEM TO BE SOLVED: To obtain a satisfactory keyboard operation feeling at a low manufacturing cost.SOLUTION: A keyboard device includes a plurality of keys 20 and a mass body 30; and a mass body upper limit stopper 34. The plurality of keys 20 are arranged in a horizontal direction, and a front end is rotated vertically by a key pressing/non-pressing operation of a player. The plurality of mass bodies 30 are arranged corresponding respectively to the plurality of keys 20 along the horizontal direction, and rotated in association with the key pressing/non-pressing operation of the plurality of keys 20 by the player. The mass body upper limit stopper 34 is constituted of a buffer member extended in the horizontal direction, and the rotation of the plurality of mass bodies 30 at the time when the plurality of keys 20 is pressed by the player is restricted by the contact of the plurality of mass bodies 30. This mass body upper limit stopper 34 is provided with a slit at a plurality of places along the horizontal direction. |
