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System for coupling a shaft to an outer shaft sleeve

  • US 6,371,723 B1
  • Filed: 08/17/2000
  • Issued: 04/16/2002
  • Est. Priority Date: 08/17/2000
  • Status: Expired due to Fees
First Claim
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1. A shaft system adapted for use in molten metal, the shaft system comprising:

  • (a) a base shaft with an outer surface;

    (b) a shaft sleeve composed of material adapted to be used in a molten metal environment, the shaft sleeve having an inner surface approximately corresponding in size to the outer surface of the base shaft and located approximately concentrically around the base shaft; and

    (c) a shaft coupler between the outer surface of the base shaft and the inner surface of the shaft sleeve;

    wherein the shaft sleeve is securely attached to the base shaft by the expansion of the shaft coupler relative to the base shaft and the shaft sleeve.

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