Stair-climbing device
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United States of America Patent
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May 14, 2013
Grant Date -
Oct 27, 2011
app pub date -
Apr 14, 2011
filing date -
Apr 27, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A stair-climbing device including a support unit, a climbing unit driven by a motor and a control unit for controlling operation of the climbing unit, wherein a detection unit is provided for detecting the current position of the support unit with respect to one or several steps of a stair which includes at least one non-contact sensor, wherein the detection unit provides signals to the control unit, which signals contain information about the current position of the support unit with respect to one or several steps of the stair, and wherein the control unit is adapted to control operation of the climbing unit depending on signals of the detection unit.
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