| 摘要 |
<p>Goods advancing system (1) comprises a rail (2) having a profile running over its length and a slide (3) having a drive wheel interacting with the rail profile. The slide supports a spiral spring which is connected to a housing (7) of the slide on one side and with the drive wheel on the other side. Preferred Features: The drive wheel is hollow and receives the spiral spring. The housing has an axis which extends inside the drive wheel and holds the end of the spiral spring on the housing side. The drive wheel is closed on all sides.</p> |
