| 摘要 |
A grinding machine towed by a vehicle and having a plurality of rotating grinding members to smooth the surface traversed by the vehicle. Various mechanisms are provided to adjust the orientation of the grinding members so they are substantially parallel to the surface to be ground. The grinding machine comprises a main support member, a plurality of rotating grinding members extending downwardly therefrom, motors for rotating the grinding members, a first hinge coupling of the support member to the vehicle, a second hinge coupling of the support member to a wheel, a first adjusting mechanism to adjust the elevation of the front of the support member via the first hinge coupling and a second adjusting mechanism to adjust the elevation of the rear of the support member via the second hinge coupling.
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