| 摘要 |
The invention relates to a device for conveying objects in a preferred direction. It is characterised in that, although interacting with a chain, instead of consisting of a toothed wheel, the return member 9 consists of a substantially cylindrical simple roller 10 having a diameter which is at least sufficient to resist, without deformation, the forces due to the return of the endless chain with which it interacts. Application to the handling-equipment industry. <IMAGE>
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