| 摘要 |
<p>The present invention relates to a multi-purpose device fitted on the front of a machine for building backfill for roads and the like, comprising a blade (11) for pushing the materials; said blade (11) consists of two parts, lower and upper (14) which are closed together continuously when in position for pushing said materials, where the upper part comprises rollers (12) and fitted on pivots (27) to allow it to be turned over (17) in such a way that said rollers (12) may rotate about spindles (28) in the opposite direction to the travel in contact with the wheels (18) of a lorry located in front of said machine (10) and under the effect of its push.</p> |
