Patent ID: 8439370
Filing Date: 2013-05-14
Classification: A61G,B62B

Abstract:
1. A stair-climbing device, for use with a wheeled vehicle, comprising a support unit, a climbing unit connected to said support unit, wherein the climbing unit comprises at least one climbing element, which can be driven by a drive motor and is designed such that the climbing unit can get in contact with an upper surface of a next step of a stair and either lift or lower the stair-climbing device on to the next step, a control unit for controlling operation of the climbing unit, and a detection unit for detecting a current position of the support unit with respect to one or several steps of the stair, wherein the detection unit comprises 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 more 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.