| 摘要 |
<p>ROAD SURFACING APPARATUS A road surfacing machine for removing bumps from a roadway. A sub-frame supporting a cutter head is pivotally attached to a main frame and is controllably urged downwardly into cutter head operable position. Walking beams supporting depth control wheels which ride in the surfacing cut are pivotally attached to the sub-frame. Outrigger depth control wheels are provided near the ends of the cutter head for feathering successive cuts.</p> |
