Trolley for the overhead transporation of loads on monorail

Abstract From the Canadian patent

A trolley for the overhead transportation of loads on a monorail comprises a framework comprising in combination: a pair, of sides which are rigidly interconnected in their upper portion by a pair of spaced flanges and, in their lower portion by a, bracket carrying a means for suspending a load a pivot mounted, between said flanges, a drive wheel mounted on said pivot servable to translate the trolley on a monorail wheels pivotally, mounted on said flanges and the bracket cooperatable with said monorail so as to achieve a stable guidance of the trolley on said monorail, a first supporting wheel fixedly mounted on said bracket cooperatable with the bottom of said monorail a second, …