Material or article handling – Article reorienting device – Article frictionally engaged and rotated by relatively...
Patent
1988-12-20
1991-10-01
Bucci, David A.
Material or article handling
Article reorienting device
Article frictionally engaged and rotated by relatively...
198394, 414786, B65G 4724
Patent
active
050528866
ABSTRACT:
A device having a circled array of tapered motor driven rollers center and find the flat edge of a semiconductor wafer by rotating the wafer until the flat edge is over a photo cell, at which time finder rollers secure the wafer in its centered and orientated position.
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Barndt B. Peter
Bucci David A.
Comfort James T.
Krizek Janice
Sharp Melvin
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