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HANDTRUCK WITH LCD INTERFACE

  • US 20140021006A1
  • Filed: 07/18/2013
  • Published: 01/23/2014
  • Est. Priority Date: 11/02/2011
  • Status: Abandoned Application
First Claim
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1. A friction clutch system for at least one wheel of a stairclimbing hand truck, comprising:

  • at least one wheel of the stairclimbing hand truck having minimal resistance to rotation in a first direction;

    a configurable slip torque resistor suitable for providing a configurable resistance to rotation in an opposite direction of rotation; and

    a means for a graphical user interface to provide status and feedback information to allow improved functionality and user safety for a stair climbing device.

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