Spindle motor
Patent 5153470 Issued on October 6, 1992. Estimated Expiration Date: 
December 10, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 10, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3310698 3700358 3777191 D.C. brushless motor with an improved yoke Arrangement for joining the cable ends of a stator winding of electric motors by means of a connector Termination assembly for electric fans Blower Patent #: 4773828 InventorsAssigneeApplicationNo. 805468 filed on 12/10/1991US Classes:310/67R, Inbuilt or incorporated unit310/88Dirt, moisture or explosion proofExaminersPrimary: Stephan, Steven L.Assistant: LaBalle, Clayton E. Attorney, Agent or FirmInternational ClassH02K 007/14Foreign Application Priority Data1990-05-31 JPAbstractA spindle motor includes a bracket, a shaft member fixed to the bracket, a hub member rotatably mounted on the shaft member with a bearing member therebetween, a rotor magnet mounted on the hub member, a stator disposed in opposed relation to the rotor magnet, and a magnetic fluid sealing assembly disposed on on outer side of the bearings. The shaft member has an elastic sealing member which seals a through-hole formed in the shaft. | |
