| US 7,360,229 B2 | ||
| Optical disc cartridge and apparatus having a disc fixing/releasing mechanism for recording or reproducing data | ||
| Seong-Taek Kang, Gyeonggi-Do (Korea, Republic of); Seung-Hon Yoo, Seoul (Korea, Republic of); and Wae-Yeul Kim, Gyeonggi-Do (Korea, Republic of) | ||
| Assigned to LG Electronics Inc., Seoul (Korea, Republic of) | ||
| Filed on Sep. 13, 2004, as Appl. No. 10/938,593. | ||
| Claims priority of application No. 10-2003-0063789 (KR), filed on Sep. 15, 2003; and application No. 10-2003-0063790 (KR), filed on Sep. 15, 2003. | ||
| Prior Publication US 2005/0060737 A1, Mar. 17, 2005 | ||
| Int. Cl. G11B 23/03 (2006.01) | ||
| U.S. Cl. 720—734 | 21 Claims |
| 1. An optical disc cartridge comprising:
a casing having a disc inserting/opening part for inserting and taking out a disc at an upper surface thereof and having an
access hole to which an optical pickup accesses at a lower surface thereof;
a pair of shutters mounted in the casing, for opening and closing the access hole and contact-supporting a disc at two points
or at one point;
a rotation wheel rotatably coupled to the shutters, for moving the shutters and placing an optical disc thereon;
a wheel fixing/releasing means mounted at an inner side of the casing, for fixing or releasing the rotation wheel; and
a disc fixing/releasing means movably mounted at the casing, for controlling a size of the disc inserting/opening part and
thereby limiting an insertion/takeout of an optical disc, wherein the disc fixing/releasing means is provided with a supporting
protrusion for supporting the optical disc in case of decreasing a size of the disc, inserting/opening part by moving the
disc fixing/releasing means towards the disc inserting/opening part.
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