Patent 10968055 was granted and assigned to Laitram (company) on April, 2021 by the United States Patent and Trademark Office.
A tray conveyor with trays driven by a linear synchronous motor. The trays are supported on a pair of guide rails in a conveyor frame. The trays include a permanent-magnet array whose magnetic field interacts with a traveling electromagnetic wave produced by a linear-motor stator extending along the conveyor between the guide rails to propel the tray in a conveying direction.