Workpiece transport apparatus

Details Workpiece transport apparatus Workpiece transport apparatus

2006-10-31

2006-10-31

Crawford, Gene O. (Department: 3652)

Material or article handling

Article supported by air and moved by mechanical or manual...

C414S758000, C065S182200, C406S087000, C406S088000

Reexamination Certificate

active

07128516

ABSTRACT:
While periphery or peripheries of workpiece(s) W lifted in floating fashion by simultaneous suction and expulsion of gas(es) between pair(s) of first and second, or upper and lower, transport stages14, 15is/are retained by plurality of elevator pins16, respective transport stage(s) is/are inverted vertically and workpiece(s) is/are transferred from upper first transport stage(s) to lower second transport stage(s) such that workpiece(s) W is/are lifted in floating fashion thereabove by simultaneous suction and expulsion of gas(es) in accompaniment to lowering of respective elevator pin(s) at said first transport stage(s).

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