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System and method for dispensing prescriptions

  • US 7,988,404 B2
  • Filed: 12/21/2004
  • Issued: 08/02/2011
  • Est. Priority Date: 05/14/2002
  • Status: Active Grant
First Claim
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1. An apparatus for transporting a workpiece within a three-dimensional volume, comprising:

  • a first rail extending in a generally horizontal direction;

    a first carriage that is slidably connected to the first rail for movement in the horizontal direction;

    a second rail attached to the first carriage and extending in a generally vertical direction;

    a second carriage that is slidably connected to the second rail for movement in the vertical direction;

    a traveler unit mounted to and revolvable along a generally horizontal annular path about the second carriage; and

    a gripper unit mounted to the traveler unit configured to grip the workpiece, the gripper unit including a pair of opposed jaws;

    wherein the traveler unit is revolvable relative to the second carriage; and

    wherein the gripper unit includes a clutch mechanism that ceases inward movement of the jaws after a predetermined magnitude of compression exerted by the jaws on a workpiece is reached.

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