Patent ID: 8333389
Filing Date: 2012-12-18
Classification: A61G,B62B,B62D

Abstract:
1. An apparatus capable of assisting a wheelchair and an occupant thereof to ascend or descend a stairway or stairway-like structure, the apparatus comprising: a pair of connected frame members, each of the frame members including one or more belt guides for mounting and guiding a motorized belt that is further spaced or positioned around the respective frame member; a drive assembly connected at least indirectly to the pair of frame members for driving movement of the motorized belts around the frame members; a head-rest assembly connected at least indirectly to the pair of frame members; a handle-bar assembly connected at least indirectly to the pair of frame members; an assist assembly connected at least indirectly to the pair of frame members; a housing at least partially storing the motorized belts and the frame members, the housing including a top cover and a bottom cover, the bottom cover having a depression therein for storing at least a portion of the assist assembly; a roller assembly extending from the housing; and one or more wheelchair attachment assemblies connected at least indirectly to the pair of frame members; wherein the assist assembly is operable to: