CLOSED CIRCUIT SWITCHING MACHINE, ON A VERTICAL PLANE, WITH DEVICES TO MAINTAIN THE ARTICLES, TRANSPORT PLANES IN AN ESSENTIALLY HORIZONTAL POSITION

摘要

The invention concerns a switching machine of a type comprising a number of trol leys pulled by belts mounted on drive wheels set at the ends of the machine, comprisi ng a mechanism suitable for imposing a counter-rotating motion on the trolleys so as to maintain them in a correct position while passing over the mentioned drive wheels, said mechanism comprising: - A number of first sprockets mounted on a support firmly attached to driv e wheels; - For each trolley, a sprocket firmly attached to the frame of the trolley , suitable for meshing with the said first sprockets when the trolley reaches the ends of its p ath; - Means suitable for imposing on the mentioned first sprockets a rotating motion proportional the rotation of the said drive wheels, and having the same directio n.