VEHICLE HAVING TRACK ASSEMBLY AND CARRIAGE ASSEMBLY

The invention discloses a vehicle having a track assembly and a carriage assembly. A vehicle includes a cabin. A track assembly is mounted within the cabin. A carriage assembly is received by the track assembly. The carriage assembly includes a housing, a cam structure that is rotatable relative to the housing, a brush that is coupled to the housing and actuatable by the cam structure, and rollersthat are coupled to the cam structure. 本公开提供了"具有轨道总成和滑架总成的车辆"。车辆包括车厢。轨道总成安装在所述车厢内。滑架总成被所述轨道总成接纳。所述滑架总成包括壳体、可相对于所述壳体旋转的凸轮结构、联接到所述壳体并可通过所述凸轮结构致动的电刷、以及联接到所述凸轮结构的辊。