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Universal coupling

  • US 6,358,467 B1
  • Filed: 04/07/2000
  • Issued: 03/19/2002
  • Est. Priority Date: 04/09/1999
  • Status: Expired due to Term
First Claim
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1. A coupling mechanism for a molten metal processing system comprising:

  • an elongated shaft having a first axial end and a second axial end, at least one channel disposed on an outer surface of the first axial end; and

    a coupling member for connecting the first axial end to a drive system, the coupling member having a cavity for receiving the first axial end of the shaft and at least one locking member disposed on a wall of the cavity adapted to cooperate with the at least one channel in a locking relationship restricting further rotational movement in at least one direction after the elongated shaft is in a locked relationship with the coupling member.

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