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Compensating system for a hexapod

  • US 6,474,915 B1
  • Filed: 10/25/2000
  • Issued: 11/05/2002
  • Est. Priority Date: 04/27/1998
  • Status: Expired due to Term
First Claim
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1. A hexapod used to position a tool with respect to a part to be machined, comprising:

  • two spaced plates, including a base plate and a mobile plate, interconnected by six articulated and extensible legs, wherein the spaced plates and the legs are joined for varying the position of the mobile plate relative to the position of the base plate; and

    a jack connected between a fixed frame and the mobile plate, wherein the fixed frame is separate from the hexapod, wherein the jack supports weight placed on the mobile plate, for reducing or compensating for stresses on at least one element of the hexapod;

    wherein the tool is placed on an axis normal to the mobile plate and the base plate which is substantially horizontally oriented; and

    wherein the jack is connected to the mobile plate by a connecting structure which is substantially vertically oriented, to suspend the mobile plate and the weight placed on the mobile plate from the fixed frame.

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