| 摘要 |
<p>A carriage assembly for mounting to a track following a curvilinear path, said assembly comprising a trolley mountable to said track through a track engagement assembly, an orientation of the trolley varying with an orientation of the track; a carriage rotationally mounted to the trolley, such that the carriage is free to rotate about two axes relative to the trolley, wherein rotation about the two axes maintains the carriage in a horizontal orientation independent of the orientation of the track.</p> |
