US 7,496,934 B2
Chassis and cartridge holder with ejection mechanism for ejecting a cartridge from a disk apparatus
Mikinori Matsuda, Kanagawa (Japan); Kazuhito Kurita, Kanagawa (Japan); Toru Morikawa, Kanagawa (Japan); and Takahiro Yamada, Saitama (Japan)
Assigned to Sony Corporation, Tokyo (Japan)
Filed on Apr. 18, 2005, as Appl. No. 11/107,804.
Claims priority of application No. 2004-138047 (JP), filed on May 07, 2004.
Prior Publication US 2005/0248879 A1, Nov. 10, 2005
Int. Cl. G11B 17/04 (2006.01)
U.S. Cl. 720—636  [360/99.06] 7 Claims
OG exemplary drawing
 
1. A disk recording and/or reproducing apparatus, comprising:
a recording and/or reproducing unit disposed in a chassis, the recording and/or reproducing unit configured to record and/or reproduce a disk cartridge;
a cartridge holder supported on the chassis configured to move between an insertion and withdrawal position, at which the disk cartridge is inserted or removed, and a recording and reproducing position, at which the disk cartridge is recorded or reproduced by the recording and/or reproducing unit;
an eject lever disposed on an upper surface of the chassis configured to move in a disk cartridge insertion and withdrawal direction, the eject lever configured to be pressed by an insertion end of the disk cartridge inserted in the cartridge holder configured to move in the disk cartridge insertion and withdrawal direction;
an eject lever lock unit disposed on the upper surface of the chassis, the unit locking the eject lever configured to move in the disk cartridge insertion and withdrawal direction; and
a lock release unit mounted on the cartridge holder such that a leading end side of the lock release unit is configured to advance into the cartridge holder from an upper surface of the cartridge holder, the lock release unit configured to move the eject lever in a direction of releasing locking by the eject lever lock unit when the cartridge holder is moved from the recording and reproducing position to the insertion and withdrawal position,
wherein the lock release unit has,
a mounting portion mounted to a side surface of the cartridge holder;
an overlapping portion continuing to the mounting portion and overlapping the upper surface of the cartridge holder;
an elastic flap portion continuing to the overlapping portion, configured to advance into the cartridge holder through a cutout window portion provided in the upper surface of the cartridge holder and extending toward the side of the chassis; and
an eject lever operating portion disposed at a leading end portion of the elastic flap portion, the eject lever operating portion configured to move the eject lever in a direction of releasing locking by the eject lever lock unit when the cartridge holder is moved from the recording and reproducing position to the insertion and withdrawal position.