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Dispensable unit retrieval mechanism

  • US 10,633,135 B2
  • Filed: 09/20/2018
  • Issued: 04/28/2020
  • Est. Priority Date: 08/05/2014
  • Status: Active Grant
First Claim
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1. A device comprising:

  • a container;

    a tube having a first end portion and a second end portion coupled in fluid communication by a hollow core;

    a nib disposed on the first end portion of the tube, the nib defining an opening in fluid communication with the hollow core;

    a carousel including the container, the carousel rotatable to position the container for engagement with the nib;

    a vacuum source in fluid communication with the tube, the vacuum source controllable to apply a vacuum force through the hollow core to the nib;

    a positioner coupled to the tube and movable within the container to move the nib; and

    a controller in communication with the positioner, the controller configured to move the positioner within the container according to a sequence of retrieval attempts, each retrieval attempt offsetting a position of the nib within a horizontal plane by a distance greater than half of a cross-sectional width of the nib.

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