| 摘要 |
l1 The present invention relates to an apparatus which ensures correct opening and closing of a door along rollers in a slideable door system. In particular, the invention allows for the adjustment of individual rollers in a roller assembly, post manufacture, and also throughout the life of the door system, 5 to ensure equal contact is made with the sliding door at all times. One application of the present invention is to slideable discharge door systems associated with rail wagon hopper chutes. 0, Liz tl -- ---- - -- -- - |
