Patent ID: 7533394

Claim:
A recording and/or reproduction apparatus comprising: a chassis; a recording and/or reproduction section provided on said chassis so as to perform recording and/or reproduction on a disk cartridge; a cartridge holder for holding said disk cartridge, said cartridge holder being supported to be movable between a disk cartridge insertion/draw-out position and a recording/reproduction position relative to said chassis; an eject lever provided to be movable in the direction for insertion and draw-out of said disk cartridge relative to said chassis; a biasing section for biasing said eject lever in a disk cartridge discharging direction; a shutter unlocking member mounted to one side surface of said cartridge holder; and a shutter unlocking member movement restriction portion provided on said chassis and operable to restrict said shutter unlocking member from moving in the direction of spacing away from said one side surface when said cartridge holder is located in said recording/reproduction position.