Patent ID: 7103893

Claim:
A loading mechanism in a recording and reproduction apparatus including a tray receiving an information recording medium, the loading mechanism moving the tray between a position at which information is recorded on or reproduced from the information recording medium and a position at which the information recording medium is removable from the tray, the loading mechanism comprising: a groove part for guiding the tray, the groove part being provided to one of the tray and a holding member holding the tray; and a projecting part for guiding the tray, the projecting part being provided to the other one of the tray and the holding member, the projecting part fitting with said groove part with clearance being provided therebetween, wherein an amount of the fitting of said groove part with said projecting part differs between first and second positions, the first position being more distant from a center part of a portion of the tray on which portion the information recording medium is placed than the second position.