| 摘要 |
<p>A live roller conveyer as used e.g. in automobile assembly has a series of rollers some of which are electric powered. The power supply to the electric motors is drawn from a single power supply unit (6) forming an integral part of the assembly. The power supply block receives its power at the standard delivered by the local utility company, but feeds power to the electric motors at a predetermined uniform standard irrespective of the location.</p> |
