The overhead loader and be fitted with an optional vertical axis which can be very critical to appliance glass manufacturers who need to handle small glass coming from their glass supplier.  A servo ballscrew assembly fitted with linear rails then makes up the carriage assembly.  This vertical axis travels along the loader beam and is programmed to the height of either the top tier or the lower tier and those heights are individually programmable.  The end of the vertical axis is fitted with the tilting vacuum frame.