Patent ID: 7484782
Filing Date: 2009-02-03
Classification: B65G,H01L,Y10T

Abstract:
1. An assembly for use in a device for picking up and positioning an article, said assembly comprising: a hollow spindle housing adapted at one end to be connected to a vacuum source; a hollow spindle housed in said spindle housing, said hollow spindle having an open first end situated at and enclosed by said hollow spindle housing, and a second end adapted to receive a head for picking up, via a vacuum directed through said spindle, an article so that the article moves together with the spindle; an assembly for driving said spindle in linear and rotational directions with respect to the housing within said housing; and a sealing assembly situated between said hollow spindle housing and said hollow spindle at a point along the length of said hollow spindle adjacent to and spaced from the open first end of said hollow spindle for directing the vacuum through the hollow spindle as the hollow spindle is driven by said driving assembly.