Automated assembly and material handling systems for use in manufacturing and materials handling in a wide variety of industries, namely, systems comprised primarily of pallet transfer machines, power operated parts transfer machines, [ palletizers, case elevators, automatic pallet dispensing machines, automatic slip sheet dispensing machines, ] and assembly line conveyor machinery; parts handling machinery and component parts therefor for use at workstations in manufacturing and materials handling in a wide variety of industries, namely, conveyors, conveyor tracks, [ tray handling machines, component placement pick and place machines in the nature of industrial robots, ] all for use in the manufacturing of products and product handling