Patent ID: 7185515
Filing Date: 2007-03-06
Classification: C03B,Y02P

Abstract:
1. An invert arm assembly for use in an individual section glassware forming machine, which includes: an invert base that is oscillatable about an axis between first and second angularly-spaced positions, a ball screw positioned within said invert base coaxially with said axis, said ball screw having spaced oppositely threaded portions, first and second nuts each threadably engaging a separate one of said oppositely threaded portions of said ball screw, said nuts being reciprocatable toward and away from each other along said ball screw upon rotation of said ball screw, first and second neck ring arms, respectively engaging said first and second nuts, said first and second neck ring arms being reciprocatable toward and away from each other along said axis with said first and second nuts, a first reversible electric motor operably associated with said invert base to rotate said invert base about said axis in a pair of opposed directions, and a second reversible electric motor operably associated with said ball screw to rotate said ball screw in opposed directions and move said nuts and said neck ring arms toward and away from each other along said axis.