Disk drive device
OwnerShoji Takahashi, Maki Wakitainventors
Life of this patent
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Abstract
In a disc drive unit, a notch or opening is provided in a part of a lower case body, out of upper and lower case bodies containing therein a functional member, such as a spindle motor, whereby a part of the functional member, of which the vertical dimension cannot be reduced with ease, is exposed. Thus, a clearance dimension that is required when there are no holes, as well as the thickness dimension of the lower case body, is supposed to be a part of the vertical dimension that the functional member can utilize, whereby the overall vertical dimension of the unit is reduced without lowering the performance of the functional member.
Claims12
A disc drive unit comprising:
- a case body having at least a bottom face;
- a disc tray capable of holding a disc and moving between a disc driving position where the disc tray is housed in the case body and a disc loading position where the disc tray projects from the case body;
- functional members provided on the disc tray;
- and
- a lower cover attached to the disc tray so as to be situated between the functional members and the bottom face of the case body, in order to protect the functional members;
- wherein
- the case body has a notch or opening formed in a position of the bottom face thereof which faces the functional members when the disc tray is situated in the disc driving position.
A disc drive unit comprising:
- a case body having at least a bottom face;
- a disc tray capable of holding a disc and moving between a disc driving position where the disc tray is housed in the case body and a disc loading position where the disc tray projects from the case body;
- functional members provided on the disc tray;
- a lower cover attached to the disc tray so as to be situated between the functional members and the bottom face of the case body, in order to protect the functional members;
- and
- a vibration-proof cushion for absorbing vibration generated as the disc is driven;
- wherein
- the case body has a notch or opening for the evacuation of the functional members which move up and down as the disc oscillates, in that position of the bottom of the case body which faces the functional members.
A disc drive unit comprising:
- a case body including a lower case body having a case bottom face and an upper case body having a case top face;
- a disc tray capable of holding a disc and moving between a disc driving position where the disc tray is housed in the case body and a disc loading position where the disc tray projects from the case body;
- functional members provided on the disc tray;
- a pickup unit having an optical head for recording or reproducing information to or from the disc;
- a screw shaft which engages the pickup unit and moves the pickup unit;
- and
- a lower cover attached to the disc tray so as to be situated between the functional members and the case bottom face, in order to protect the functional members;
- wherein
- the pickup unit, the screw shaft, and the lower cover constitute a chassis unit, and the chassis unit is provided with a vibration-proof cushion for absorbing vibration generated as the disc is driven, and
- the case body has a notch or opening formed in that position of the case bottom face which faces the functional members when the disc tray is situated in the disc driving position.
Dependencies are inferred from the claim text.