Abstract: A flexible drive shaft for a turn portion of a transfer device, such as a conveyor. The flexible drive shaft can be made from wound steel, wound plastic, wound cable or other wound material. In one embodiment, multiple rollers are rotatably mounted to a support structure of the conveyor and traverse the turn portion of a conveyor. The flexible drive shaft can be mounted to the support structure, and can follow the turn portion. A connector can join the rollers and flexible drive shaft, so that force can be transferred from the flexible drive shaft to the rollers, causing them to rotate.

Abstract: A flexible drive shaft for a turn portion of a transfer device, such as a conveyor. The flexible drive shaft can be made from wound steel, wound plastic, wound cable or other wound material. In one embodiment, multiple rollers are rotatably mounted to a support structure of the conveyor and traverse the turn portion of a conveyor. The flexible drive shaft can be mounted to the support structure, and can follow the turn portion. A connector can join the rollers and flexible drive shaft, so that force can be transferred from the flexible drive shaft to the rollers, causing them to rotate.

Abstract: A coupling device includes first and second coupling members for connecting a rotary driving member to a rotary driven member. The first and second coupling members are generally semi-cylindrical and connectable together along there opposite edges to non-rotatably secure the driving member to the driven member. The coupling members include a stop portion at at least one end thereof to limit longitudinal movement of the coupling device relative to the rotary members. The coupling members may be flexible to facilitate wrapping of the coupling members about the rotary members to non-rotatably retain the rotary members within the coupling device. The coupling members are fastened together at their edges via a fastening member which is insertable through a passageway in the corresponding edges of the coupling members.