Automatic conveyor installations; Automatic production line conveyors; Belt conveyors; Belts for conveyors; Cable driven conveyor belts; Conveyor belt apparatus; Conveyor belt rollers; Conveyor installations (other than for the transportation of people); Conveyors (machines); Conveyors for controlling the movement of articles; Conveyors for solid materials; Conveyors for use in mines; Conveyors for use in quarries; Electronically operated conveyor belt apparatus; Fixed belt conveyors; Industrial conveyors; Machines in the nature of conveyors; Materials handling conveyors; Moving belt conveyors; Roller conveyor apparatus for movement of goods; Roller tracks for use in roller conveyor apparatus; Supporting elements for conveyors