Patent ID: 8112773

Claim:
A recording medium drive device comprising: a holding unit configured to hold a recording medium; a link mechanism including a plurality of arms; an eject lever activated in response to the link mechanism for ejecting the recording medium; a drive source configured to supply a drive force for the link mechanism; an urging spring disposed in the link mechanism for applying an urging force in the ejecting direction to the recording medium when the recording medium is inserted; and further comprising a cam member having a cam engaging groove; wherein the link mechanism includes: a first arm turnable with respect to the eject lever; a second arm connected to the first arm; and a third arm having a cam pin engaged with a cam groove of the cam member, wherein the second arm has a slot, and wherein the third arm has an engaging projection inserted into the slot of the second arm, whereby the positions of the individual arms of the link mechanism are regulated according to the engaging state of the engaging projection of the third arm with the slot of the second arm and the engaging state of the cam pin of the third arm with the cam groove of the cam member.