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Mechanism for control of position and orientation in three dimensions

  • US 5,847,528 A
  • Filed: 05/19/1995
  • Issued: 12/08/1998
  • Est. Priority Date: 05/19/1995
  • Status: Expired due to Fees
First Claim
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1. A three degree of freedom mechanism for moving and positioning a member in space, comprising:

  • a) at least three branches each provided with at least first and second link members, each of said first and second link members of each of said at least three branches being serially connected together by a spherical joint means, each spherical joint means having a center; and

    b) at least three revolute joints each defining an axis of rotation, said at least three revolute joints being connected to associated second link members so that said axes of rotation of said at least three revolute joints intersect at a point of intersection and said revolute joints being interconnected so that said at least three branches define at least three parallel closed loops.

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