| 摘要 |
PURPOSE:To prevent fluctuation of a disk loading position caused by dimensional errors in center holes of disks and driving pin engaging holes, dimensional errors in the fitting position of a driving pin, etc., by loosely supporting a revolving lever which supports the driving pin by means of a fitting plate. CONSTITUTION:A revolving lever 39 which is bent to have almost a semicircular shape so as to surround the outer circumference of a rotationally driving shaft 31 is provided between a ring plate 36 and revolving lever fitting plate 37. The revolving lever 39 is equipped with a driving pin 32 planted in one end and a long hole 40 elongated in the radial direction and installed to the base end side. On the other hand, a pivotally supporting pin 43 which is passed through holes 41 and 42 respectively installed to the ring plate 36 and rotor 34 and projected from the lower surface of the rotor 34, is planted in the base of the revolving lever fitting plate 37. The revolving lever 39 is installed in such a way that the pin 43 is passed through its long hole 40 so that the lever 39 can be supported loosely by the pin 43 and, at the same time, the driving pin 32 is put through a positioning hole 44 provided in the revolving lever fitting plate 37 and projected from the upper surface of the plate 37. |
