Transport mechanism for disk-shaped workpieces
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United States of America Patent
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Issued Date -
May 17, 2007
app pub date -
Oct 26, 2006
filing date -
Nov 17, 2005
priority date (Note) -
Abandoned
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Abstract
A transport mechanism for disk-shaped workpieces has a horizontally movable transport arm with two elongated carrying elements at one end, for receiving the workpiece. A cassette which includes a comb structure at each side for receiving several workpieces, is inserted free of contact between two adjacent combs with workpieces therein for vertically lifting a workpiece. The carrying elements are disposed such that during a cassette engagement they are each positioned substantially adjacent and parallel to the comb structure along a comb, and that in this region along and between two adjacent comb planes on one side of the cassette, a scanning beam is provided for workpiece acquisition, and that the scanning beam is relatively height-positionable with respect to the cassette. The scanning beam is tilted about a small angle with respect to the horizontal workpiece plane.
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