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Quick-change spindle liner assembly

  • US 5,649,460 A
  • Filed: 09/05/1995
  • Issued: 07/22/1997
  • Est. Priority Date: 09/05/1995
  • Status: Expired due to Term
First Claim
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1. A spindle liner for use in a lathe having a spindle liner adapter mounted thereon to concentrically hold an elongated workpiece partially contained within the spindle liner in a substantially vibration-free manner during a machining operation, said spindle liner comprising:

  • (a) a tubular sleeve having a length to fit into a hollow spindle of the lathe and having a diameter to hold the workpiece;

    (b) at least one annular bearing ring secured on an outside surface of the tubular sleeve to produce a bearing relationship with a wall of the hollow spindle; and

    (c) an annular mounting flange near one terminus of the tubular sleeve and secured thereto, said annular mounting flange for engaging the spindle liner adapter on the lathe to hold the spindle liner in the hollow spindle of the lathe during use, further wherein the annular mounting flange has at least one notch extending radially from a peripheral edge thereof partially into the flange.

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