Patent ID: 7568206

Claim:
A disc changer, comprising: a housing, having two opposing side walls, each of the side walls further including at least one oblique slot, projections of the oblique slots being interlaced; a disc box, fabricated in the housing, further having a plurality of trays stacking vertically; a selecting mechanism, fabricated in the housing, for moving vertically in the housing so as to reach a horizontal position of a predetermined tray of the disc box to further pull out the predetermined tray from the disc box; an elevating mechanism, fabricated in the housing, further comprising: two slides, separately fabricated on opposite lateral walls between the selecting mechanism and the housing, each of the slides slidably engaged with the respective oblique slot by at least a slide protrusion fabricated on an outer surface of the respective slide, each of the slides sliding back and forth along the lateral walls when the respective slide protrusion slides back and forth along the engaged oblique slot; and a transmission shaft, having a middle point thereof connected to a bottom of the selecting mechanism so as to make two opposing ends of the transmission shaft to swing like a lever, the ends of the transmission shaft connected respectively to the slides so as to have the slides moving in contrary directions; and a driving device, fabricated in the selecting mechanism, for driving one of the slides to make both of the slides moving in the contrary directions, further making the slide protrusions moving in the respective oblique slots, and then driving the elevating mechanism to make the selecting mechanism elevating and lowering in the housing so as to reach the predetermined tray of the disc box.