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Pneumatic stepper motor

  • US 10,024,160 B2
  • Filed: 10/11/2011
  • Issued: 07/17/2018
  • Est. Priority Date: 08/09/2005
  • Status: Active Grant
First Claim
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1. A step motor, comprising:

  • a motor body;

    a hoop element slidably disposed over at least a portion of said motor body;

    a plurality of constraining assemblies, each mounted to said motor body and spaced around a periphery of and in mechanical connection to said hoop element to constrain motion of said hoop element while disposed in said step motor, wherein said plurality of constraining assemblies continuously constrains said hoop element to be in constant contact with each of the plurality of constraining assemblies; and

    a plurality of actuators arranged in a spaced pattern around said hoop element so as to be in mechanical connection with said hoop element to provide selective applied forces to said hoop element to provide periodic translational motion, by cyclic force commutation,wherein each of said selective applied forces is directed towards a center of said hoop element to provide said periodic translational motion, by cyclic force commutation, of said hoop element.

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