Patent ID: 7398539

Claim:
A height-variable type turntable assembly insertable into a through hole formed on a portion of a deck, comprising: a turntable on which an optical disk is placed; a spindle motor including a rotating shaft combined with a center of a bottom of the turntable to rotate the turntable using the rotating shaft; and height adjustment means for driving the spindle motor in a vertical direction; wherein the height adjustment means includes: an adjustment motor including a drive shaft, said adjustment motor being stationary with respect to said deck, said drive shaft and said rotating shaft being co-axial; and first and second vertical drive means adapted to support the spindle motor and to selectively move said spindle motor a direction perpendicular to a horizontal plane of the deck in correspondence with rotation of said drive shaft; said first and second vertical drive means including respective first and second supports having the same shape and size, and acting parallelly and simultaneously.