Patent ID: 9688479
Date: 2017-06-27
CPC Classifications: B65G,G06Q

Claim:
1. An item storage system, comprising: a first conveyor configured to operate at a first speed; a second conveyor configured to operate at a second speed that is greater than the first speed, wherein the first conveyor and the second conveyor are vertically stacked; a third conveyor arranged concentrically with the first conveyor and configured to operate at a third speed that is greater than the first speed, wherein the first conveyor, the second conveyor, and the third conveyor are each configured to store a plurality of items in motion in a circuit arrangement; a first transfer device configured to transfer items between the first conveyor and the second conveyor, the first transfer device comprising an elevator or a ramp-based conveyor; a second transfer device configured to transfer items between the first conveyor and the third conveyor; and at least one computing device configured to perform a method comprising: