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US 8,896,173 B2Granted
Spindle motor having reception part in rotor hub
AssigneeSamsung Electro-Mechanics Co., Ltd.
InventorsShin Young Cheong, Chang Jo Yu
Life of this patent
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Abstract
There is provided a spindle motor including: upper and lower thrust parts fixedly installed on a shaft; a reception part formed in the rotor hub to thereby receive an end portion of the upper thrust part and form an oil interface together with the upper thrust part; and a clamp fixing part inserted into the reception part while having a clearance with the upper thrust part, and guiding a position of a clamp for fixing the recording medium.
Claims9
A spindle motor comprising:
- a shaft directly or indirectly fixed to a base;
- a rotor hub installed to be rotatable via oil, while having a bearing clearance with the shaft, and including a recording medium mounted thereon;
- upper and lower thrust parts fixedly installed on the shaft;
- a reception part formed in the rotor hub to thereby receive an end portion of the upper thrust part and form an oil interface together with the upper thrust part;
- and
- a clamp fixing part inserted into the reception part while having a clearance with the upper thrust part, and guiding a position of a clamp for fixing the recording medium.
3 more elements
Dependencies are inferred from the claim text.