| 摘要 |
A suspension conveyor installation comprising roller devices (4) individually displaceable on a rail system, and a drive chain (16) routed above said rail system, the bottom side of the drive chain (16) having driver elements (13) for engaging respective drive receiving elements (11) arranged on the top faces of the roller devices (4). The driver elements (13) are arranged as driver plates in the form of link plates mounted to the drive chain (16) such as to be collectively displaceable vertically upwards toward the drive chain (16), with the links (14) of the link plates being pivotable with respect to each other about vertical axes perpendicular to the drive chain (16). The bottom edge of each driver element (13) comprises. an oblique lifting ramp (18), arranged at the leading end of the driver element (13) and descending against the conveying direction, for lifting the driver element (13) upon abutment; a glider surface (19, 25, 41), adjoining the lifting ramp (18, 39) and extending in the conveying direction, for maintaining the driver element (13) lifted; and a driver recess (20, 37), adjoining the glider surface (19, 25, 41), for receiving the drive receiving element (11) of the respective roller device (4); such that the disengaged position is established or maintained, respectively, by the lifting ramp (18, 39) abutting onto an obstacle or an adjacent roller device (4), and by the glider surface (19, 25, 41) gliding on said obstacle or on the top end of an adjacent roller device (4).
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