| 主权项 |
1. A track set, comprising:
a first track segment having a first end and a second end, the first track segment being pivotally mounted to the track set for movement about a first pivot, wherein the first track segment is rotatable about the first pivot from a first position to a second position and wherein the first end is elevated and the second end is lowered as the first track segment rotates from the first position to the second position; a carriage coupled to the first track segment proximate to the second end, wherein the carriage is rotationally mounted to a second pivot, and wherein the carriage rotates about the second pivot as the first track segment rotates from the first position to the second position; and wherein a gear of the carriage engages a plurality of gear teeth in order to rotate the carriage as the first track segment rotates from the first position to the second position. |
