| 摘要 |
A plastic/resin composite fabrication manufactured to make caravan/trailer movers lighter. The composite and/or plastic fabrication slides closer to the tyre using a tongue and groove guide mechanism so that the upper assembly moves and lower assembly is fixed to the caravan/trailer chassis. The mounting groove is typically configured as a T slot. The roller guard may be supported partly or completely along its length to provide additional support and strength to the roller to aid the strength properties of the composite/plastic material. The roller is for contact with a tyre to move a wheel of an otherwise unpowered vehicle such as a caravan or trailer. |
