| 摘要 |
<p>The invention relates to a multifunctional system for closing-opening shutters of agricultural and motor vehicle trailers intended for freight transports. According to the invention, the system comprises a side bearing () welded to the top part of the side shutter (), a rear bearing () welded at the top part of the rear shutter (), a welded shaft () which is mounted within the side bearing () and a rear shaft () which is mounted within the rear bearing (), the two shafts being axially secured into the bearings () by a castle nut () and a split pin (), the system also comprising a bolt () and a resilient lock () assembling the side and rear bearings to each other.</p> |
