| 摘要 |
An articulated multi-unit track-type vehicle is disclosed for traversal, packing and leveling of snow on a ski slope and similar applications. The interconnected, relatively wide and narrow units of the special-purpose vehicle are structurally constrained by their coupling against relative pitch and relative roll motion while being permitted relative yaw motion. Relative angular positioning of the units in the yaw plane is produced directly by hydraulic jacks or equivalent means to effect steering of the vehicle without reliance on track slippage therefor. By reason of constraint of the units to monoplanar relative motion combined with the means to steer, the vehicle can be maneuvered safely and in controlled manner on steep slopes, and can be made to climb steeper grades and to level out moguls more effectively than conventional vehicles.
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