| 摘要 |
<p>A device at suspensed conveyors of the type with trolleys (7) movable on a race track (12), which are propelled by a threaded spindle (4) rotatably arranged in the longitudinal direction of the race track, which spindle cooperates with driving blocks (6) provided at said trolleys (7), whereby the spindle is equipped with alternating threaded driving sections (5) and smooth, non-driving sections (4, 4a), and that said movable trolleys are each constituted by two trolleys (7) interconnected to a unit and having a mutual spacing (L), which substantially corresponds to the length (1) of said threaded sections (5) of the spindle (4), whereby a unit comprising two trolleys (7) during propulsion is in driving engagement with driving sections (5) of the spindle (4) at either its two trolleys (7) forming part of the unit (fig. 4).</p> |
