| 摘要 |
PROBLEM TO BE SOLVED: To allow a plurality of movable members to operate.SOLUTION: A movable performance device 40 includes: an operation member 50 that includes a contact surface 52a having irregularities and is activated an operation motor; a plurality of movable members 60 arranged so as to move forward and backward relative to the contact surface 52a and are urged toward the contact surface 52a, and form a line in a movement passage of the contact surface 52a following operation of the operation member 50; and contact parts 62 that are provided in each of the movable members 60, and follow the irregularities on the contact surface 52a to allow the movable members 60 to advance or retreat by abutting on the contact surface 52a. |
