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Ballscrew assembly with detection feature

  • US 8,596,154 B2
  • Filed: 09/07/2012
  • Issued: 12/03/2013
  • Est. Priority Date: 12/30/2008
  • Status: Active Grant
First Claim
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1. A ballscrew assembly for an actuator, the ballscrew assembly comprising:

  • a ball nut assembly including a view port;

    a ballscrew provided within at least a portion of the ball nut assembly, the ballscrew having a longitudinal axis;

    an inner rod provided within the ballscrew in the direction of the longitudinal axis, the inner rod including an enlarged end portion; and

    a compression mechanism, at least a portion of the compression mechanism provided between the enlarged end portion and the ballscrew;

    wherein, when the inner rod is in a failed state, the compression mechanism provides a force that moves a visual indicator toward the view port.

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