| 摘要 |
PURPOSE:To exercise sure switch control, by providing a control piece on a driving member of a tone arm and a member for controlling a switch according to the control piece and the position of the tone arm. CONSTITUTION:A switch driving member 30 is fitted to a driving member 10 for lead-in/lead-out of the tone arm, and is provided with the 1st lever 50 controlled by this member 30 with depression, the 2nd lever 53 freely rotatably to one end, a control member 54 for controlling the position of the lever 53, and a switch 3 controlled with the lever 53. When the member 30 is moved with manual operation and the depression of the lever 50 with the member 30 is released, and the position control of the lever 53 with member 54 is released with movement of the tone arm, the lever 53 is made freely rotatably to turn on a switch 3, and when the lever 50 is controlled with the member 30 for depression and the lever 53 is position-controlled with the member 54, the switch 3 is turned off. |
