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PATIENT SUPPORT OVERLOAD OR OBSTRUCTION DETECTION

  • US 20140310876A1
  • Filed: 12/14/2012
  • Published: 10/23/2014
  • Est. Priority Date: 12/16/2011
  • Status: Abandoned Application
First Claim
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1. A bed comprising:

  • a bed frame;

    a backrest pivotable with respect to the bed frame;

    a backrest actuator connecting the backrest to the bed frame, the backrest actuator configured to raise and lower the backrest with respect to the bed frame;

    an actuator sensor positioned to sense movement of the backrest actuator;

    a backrest sensor positioned to sense movement of the backrest; and

    a controller coupled to the backrest actuator, the actuator sensor, and the backrest sensor, the controller configured to stop the backrest actuator from raising the backrest in response to a characteristic signal from the actuator sensor, the controller further configured to stop the backrest actuator from lowering the backrest in response to characteristic signals from both the actuator sensor and the backrest sensor.

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