| 摘要 |
An elongated beam assembly for a tracked suspension includes an inverted "U" shaped member having a first upper surface disposed at an outwardly descending lateral angle; and a plurality of track wheels coupled to the bottom of the member and disposed inside the member. In another arrangement the assembly includes a curved plate disposed between and fixed to both an inner wall and outer wall of the "U" shaped member, with the free edge of the curved plate extending outward over the top edge of the outer wall.
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