According to one embodiment of the present invention, a disc clamping
device includes a clamp body including a tip operating portion, wherein
the tip operating portion moves downward by a depressed disc. The disc
clamping device further includes an engagement body including an entry
guide portion to guide the disc along the entry guide portion to a center
location. When the clamp body is in an upward position, the uppermost
surface of the clamp body is positioned to be the same height as an
uppermost surface of the entry guide portion of the engagement body.
