Patent 10202243 was granted and assigned to Amazon on February, 2019 by the United States Patent and Trademark Office.
Disclosed are various embodiments for using air pressure to increase or decrease the force of static friction between an item and the surface of a conveyance system. The conveyance system can include a track and a conveyor segment affixed to the track. The conveyor segment can include an air permeable surface on which an item can be placed. Mounted underneath the air permeable surface is an air displacement device.