Universal trailer for a longwall roof support for longwall underground mining

摘要

A universal trailer for transporting a variety of longwall roof supports for a longwall underground mine is disclosed, along with a method of using such a trailer. The trailer includes a wheeled, U-shaped frame that can be raised and lowered relative to the ground to lift and off-load a roof support. The trailer includes forward and rearward supports, either of which may be shiftable.