US 7,533,394 B2
Disk recording and/or reproduction apparatus
Takahiro Yamada, Saitama (Japan); Kazuhito Kurita, Kanagawa (Japan); Mikinori Matsuda, Kanagawa (Japan); and Toru Morikawa, Kanagawa (Japan)
Assigned to Sony Corporation, Tokyo (Japan)
Filed on Apr. 21, 2005, as Appl. No. 11/110,809.
Claims priority of application No. 2004-139624 (JP), filed on May 10, 2004.
Prior Publication US 2005/0251817 A1, Nov. 10, 2005
Int. Cl. G11B 17/03 (2006.01)
U.S. Cl. 720—640 7 Claims
OG exemplary drawing
 
1. 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.