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SAFETY DEVICE AND PREPARATORY MOVEMENT DETERMINATION METHOD

  • US 20120279285A1
  • Filed: 06/28/2012
  • Published: 11/08/2012
  • Est. Priority Date: 01/17/2011
  • Status: Active Grant
First Claim
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1. A safety device for a machine having an action part for processing or moving an object, said safety device comprising:

  • a posture obtainment unit configured to obtain a plurality of posture data indicating a posture of at least a part of a lower body of a worker; and

    a preparatory movement determination unit configured to determine that a preparatory movement preceding a dangerous movement is being performed in the case where a change in the posture indicated by the plurality of posture data shows that the worker is shifting a center of gravity of whole body of the worker in an orientation away from a working area of the action part without changing positions of both feet, the dangerous movement being a movement of at least a part of an upper body of the worker approaching the working area of the action part.

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