| 摘要 |
PROBLEM TO BE SOLVED: To provide a keyboard device that can reduce fluctuations of the positions of key units relative to an electronic circuit board.SOLUTION: In a keyboard device 1 comprising a four-tone white key unit 7 being a key unit formed by integrating four white keys 7c, which are keys, and a four-tone white key stem 7a, which is a stem supporting the four white keys 7c, with resin, arranged on an electronic circuit board 3, an end part positioning member 8 and a central part positioning member 9, which are positioning members for aligning the four-tone white key unit 7 relative to the electronic circuit board 3, are disposed on the four-tone white key stem 7a, and the end part positioning member 8 and the central part positioning member 9 are deformed by the electronic circuit board 3 when the four-tone white key unit 7 is arranged on the electronic circuit board 3.SELECTED DRAWING: Figure 2 |
