ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,165, issued on April 14.
"Tray loading and unloading system" was invented by Charles Wong (Pasadena, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tray loading and unloading system has a first station with a tray mounted to a tray retainer. The tray retainer is mounted to a tray carriage. The tray carriage slides on a tray retainer rail between a tray retracted position and a tray extended position. The tray starts as an empty tray at the tray retracted position and travels to the tray extended position to receive product tubes at the tray extended position. The tray extended position has a first pushing tamper that pushes product tubes f...