Patent ID: 7441255
Filing Date: 2008-10-21
Classification: G11B

Abstract:
1. A disk recording and/or reproducing apparatus, comprising: recording and/or reproducing mechanism disposed in a chassis, the recording and/or reproducing mechanism configured to record on and/or reproduce data from a disk cartridge; a cartridge holder supported on the chassis movably between an insertion/removal position, at which the disk cartridge is inserted or removed, and a recording/reproducing position, at which the disk cartridge is recorded or reproduced by the recording and/or reproducing mechanism; an eject lever disposed on the chassis so as to be movable in a disk cartridge insertion/removal direction, the eject lever being pressed by an insertion end of the disk cartridge inserted in the cartridge holder to be moved in the disk cartridge insertion direction; an urge mechanism configured to urge the eject lever in the disk cartridge removal direction; and a cartridge drop preventive mechanism disposed on a side surface plate of a second side wall of the cartridge holder, the cartridge drop preventive mechanism making a sliding contact with a side surface of the disk cartridge stored in the cartridge holder, including an elastic flap portion provided on the second side wall of the cartridge holder opposite a first side wall facing a reproducing/recording opening portion, and a rear-anchor portion of said elastic flap portion being connected to the second side wall, and a leading end of the elastic flap portion oriented toward the insertion/removal position, giving the disk cartridge stored in the cartridge holder a braking force, and a protruded portion disposed on a leading end portion of the elastic flap portion, the protruded portion making sliding contact with a side surface of the disk cartridge, wherein the disk cartridge has a side surface of an insertion end thereof formed into an arc.