I am not exactly sure this is what the article refers to, but I have a mow elevator with 3 stations on it. Each station has guide bars which can divert hay bales to the left or right, depending on which diverter bar is swung into position. The guide bars can be controlled by ropes from below. This elevator is a tradition pipe type transporter with these stations inserted every 20 feet or so. The elevator is usually mounted horizontally and feed from the ground level by a conventional elevator, either pipe or grain style. With the dump station designated by a swing bar, the hay bales are shunted off the main line off to the side making piles. When so many bales are dumped, or the pile gets to a certain height, you pull a cord to close the shunt and open another one. You also have the end of the mow elevator avalable for making a pile.
Given a welder and some square or round tubing, you could easily make up a few of these diverter stations.
Its not a computer controlled inventory management system if thats what you were thinking about, but is does work for a one man hay loading task. I keep this elevator at elbow height so that I can unload the barn too. Just reverse the motor and the bales are easily transported out to customers and my delivery trailer. Customers like this system very much because its easy to work with, it means lifting a bale at a time, not carrying it, can be operated with more than one person putting bales on it. and minimizes danger to the person supervising below (they can see the bales coming along from below instead of a surprize hit on the head and messing up their hair).
Given a welder and some square or round tubing, you could easily make up a few of these diverter stations.
Its not a computer controlled inventory management system if thats what you were thinking about, but is does work for a one man hay loading task. I keep this elevator at elbow height so that I can unload the barn too. Just reverse the motor and the bales are easily transported out to customers and my delivery trailer. Customers like this system very much because its easy to work with, it means lifting a bale at a time, not carrying it, can be operated with more than one person putting bales on it. and minimizes danger to the person supervising below (they can see the bales coming along from below instead of a surprize hit on the head and messing up their hair).