Invert arm assembly for glassware forming machine

Details Invert arm assembly for glassware forming machine Invert arm assembly for glassware forming machine

2007-03-06

2007-03-06

Griffin, Steven P. (Department: 1731)

Glass manufacturing

Diverse distinct glassworking apparatus

Press means with blow means

C065S241000, C065S260000, C414S682000, C414S692000, C414S699000

Reexamination Certificate

active

10609444

ABSTRACT:
An invert assembly for an individual section glassware forming machine includes an invert base that is oscillated about an axis between angularly spaced apart first and second positions, a double ended ball screw positioned co-axially with the axis and having spaced apart oppositely threaded portions, first and second nuts each threadably engaging one of the oppositely threaded portions of the ball screw so that the nuts reciprocate toward and away from each other in response to rotation of the ball screw, and first and second neck ring arms respectively engaging the first and second nuts so that the neck ring arms reciprocate toward and away from each other along the axis with the first and second nuts. Preferably, the invert base is oscillated about the axis by a first reversible electric motor, and the ball screw is driven for rotation in opposed directions by a second reversible electric motor to move the nuts and neck ring arms toward and away from each other along the axis.

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