| 摘要 |
PROBLEM TO BE SOLVED: To concentrate the vertical moving mechanism of a turntable in an area substantially occupied by a circular cam member by using the circular cam member rotatable around its center and having an inward space as the transmitting member of driving force, and disposing the turntable in the inward space. SOLUTION: A circular cam mechanism 40 is engaged with a circular gear section 20 and rotated, and this circular cam mechanism 40 is provided with a cam part formed to vertically move a pickup part attached to a float base 42. By the cam part of the circular cam mechanism 40, a clamper part 50 for clamping a disk 4 or 5 is vertically moved, and a clamper vertically moving mechanism 601 is engaged with the cam part of the circular cam mechanism 40, and swung when a circular cam 41 is rotated, thereby moving the clamper part 50 vertically, When a motor 31 is rotated, rotating force is applied through the gear 305 of a gear pulley 303 and the large and small gears 204 and 203 of an idler gear 202 to the inner gear 201 of a circular gear 23 to rotated the gear 23.
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