Conveyor Mechanism for Smooth Movement on Curved Sections

The invention provides a way of countering the issues experienced by some conveyor systems while entering or exiting a curved track section. These issues are known as the chord effect, and they manifest through uneven motion, knocking and rattling.

They are encountered more commonly in particular types of mechanisms, such as garage gates and luggage conveyor belts from airports. Current solutions may help counter the overall chord effect, but they often require elaborate design of the curved tracks.
Furthermore, such designs do not cancel the velocity variations experienced by each carriage individually, which ultimately manifests itself as waves travelling across the conveyor mechanism.

The proposed solution, which consists of a carriage chassis and a 4-bar linkage, comes as a more convenient and precise alternative. Initial investigations, conducted for a range of constant-curvature tracks and carriage lengths indicate a substantial reduction of the chord effect. 

APPLICATIONS

  • Production lines
  • Transportation belts (e.g. airport baggage carousel)
  • Roller doors (e.g. garage door)

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