| 摘要 |
<p>[Object] To provide a disk cartridge that has high durability with respect to a drop impact. [Solving Means] A disk cartridge according to the present invention includes: a disk-like recording medium (3); a cartridge case (2) that rotatably accommodates the disk-like recording medium (3) and is formed with a first opening (23) that exposes a part of the disk-like recording medium (3); an inner rotor (4) that is rotatably supported inside the cartridge case (2) and includes a main surface portion (4a) formed with a second opening (42) corresponding to the first opening (23); shutter members (5a, 5b) that are movable between a closing position at which the first opening (23) is closed and an opening position at which the first opening (23) is opened in accordance with a rotation of the inner rotor (4); and a buffer mechanism that is formed on the main surface portion (4a) of the inner rotor (4) and includes rotary shafts (49a, 49b) that rotatably support the shutter members (5a, 5b) and elastic support portions (56) that respectively support the rotary shafts (49a, 49b) and can be elastically deformed with respect to the main surface portion (4a).</p> |
