| 摘要 |
The hub stand (3) has a fixed mast which is provided with two laterally spaced vertical rail sections. An additional bar is formed between load near bar and load far bar on the rail sections. The load near bar and additional bar are arranged to form an inwardly facing chamber for receiving the support roller. The load near bearing surface and load far bearing surface of supporting roller are provided at the load near bar and additional bar. |
