Disk device

[0041] Next, a first embodiment of the disk drive of the present invention will be described with reference to FIGS. 1 to 9 .

[0042] FIG. 1 is an exploded perspective view showing main parts of a disk drive 501 .

[0043] The disk device 501 has a pickup 100 , a mechanical chassis 220 , a rotation drive unit 250 , a pickup support 110 , and a pickup lifter 230 .

[0044] The pickup 100 records information on the disc-shaped recording medium 10 or reproduces information recorded on the recording medium 10 . Recording and reproduction of information can be performed optically or magneto-optical. For example, the recording medium 10 is CD, DVD, BD, or the like. In this case, the pickup 100 has an objective lens 101 , and light having a wavelength corresponding to the type of the recording medium 10 is emitted from the objective lens 101 . In addition, light reflected from the recording medium 10 is received by the objective lens 101 . The pickup 100 has only to be able to perf

[0083] Next, a second embodiment of the disk drive of the present invention will be described with reference to FIGS. 10 and 11 .

[0084] FIG. 10 is a plan view of the main part of the disk device 502 viewed from above.

[0085] In FIG. 10 , the same reference numerals are assigned to the same components as those in the first embodiment. The disk device 502 has a rotation drive unit, a pickup 100 , a pickup support 210 , and a chassis 220 . In the disk drive 502, the position of the standing wall of the pickup support 210 is different from that of the first embodiment. Specifically, the pickup support body 210 includes a bottom 210 that supports the rotary drive unit and the pickup 100, and a pair of standing walls 210a.

[0086] The standing walls 210 a stand up from the bottom 210 f and face each other in a direction transverse to the moving direction of the pickup 100 . Fig. 11 is a side view of the standing wall 210a.

[0087] Similar to the first embodiment, a hole 210c