heffley

Claim 1

A GLASS POLISHING MACHINE, COMPRISING, IN COMBINATION, A FRAME, A SUBSTANTIALLY HORIZONTAL CONVEYOR BELT SUPPORTED BY THE FRAME FOR MOVING PIECES OF FLAT GLASS OF VARIOUS WIDTHS THROUGH THE MACHINE, A PLURALITY OF POLISHING ASSEMBLIES ROTATABLY MOUNTED ON THE FRAME, EACH ASSEMBLY INCLUDING A VERTICAL SHAFT, A BELT DRIVEN PULLEY THROUGH WHICH THE SHAFT EXTENDS, THE SHAFT CONSTANTLY ROTATING WITH THE PULLEY BUT BEING VERTICALLY SLIDABLE THERETHROUGH, AN APERTURED POLISHING DISK ATTACHED TO AN END OF THE SHAFT, A VERTICALLY SHIFTABLE BEARING IN WHICH THE SHAFT ROTATES BUT IN WHICH THE SHAFT IS NOT SLIDABLE AND A MANUALLY CONTROLLED LIFTER FOR SAID BEARING OPERABLE AT WILL BY AN ATTENDANT FOR RAISING THE DISK VERTICALLY SUFFICIENTLY TO PERMIT VISUAL INSPECTION OF THE GLASS BEING POLISHED, ALL OF SAID DISKS BEING ABOVE AND SUBSTANTIALLY PARALLEL TO SAID CONVEYOR BELT, AND MANUALLY CONTROLLED MEANS FOR FEEDING POLISHING COMPOUND UNDER PRESSURE THROUGH THE APERTURED DISKS ONTO THE GLASS.