Device for the accumulation of products

An accumulation device comprising a first linear conveyor belt configured to transfer items in a first direction, a second linear conveyor belt parallel to the first conveyor belt and configured to transfer the items in a second direction inverse to the first direction, a third conveyor belt forming a semi-circle and configured to transfer the items of the first conveyor belt to the second conveyor belt and translation means configured to translate the third conveyor belt relative to the first and second conveyor belts, in the first direction or in the second direction, said third conveyor belt being offset upwards relative to the first and second conveyor belt, wherein the accumulation device comprises two ramp systems attached respectively at the two ends of the third conveyor belt, the first ramp system being configured to deform the first conveyor belt and constitute a first slope ensuring that items rise from the first conveyor belt on the third conveyor belt and, the second ramp system being configured to deform the second conveyor belt and constitute a second slope ensuring that items descend from the third conveyor belt on the second conveyor belt, the displacement of the third conveyor belt at the same time enabling displacement of the first and second slopes formed on the first and second conveyor belts.