| 摘要 |
1394287 Conveyer frameworks OEHLER-WYHLEN-LAGERTECHNIK AG 19 July 1972 [20 July 1971] 33710/72 Heading B8A An endless roller chain 21 is trained around idler rollers 2, 3 carried by a box member 1 having an outwardly projecting rib 24 which supports the upper conveyer run, the lower run extending inside the member 1 and passing through a slot in the bottom thereof to pass around adjustable tensioning rollers 12a, 12b and a drive wheel 14. The drive wheel 14 is connected by a chain 16 to the shaft of a motor 20. |
