Immobilizing device particularly useful during processing or tes

Details Immobilizing device particularly useful during processing or tes Immobilizing device particularly useful during processing or tes

1990-05-25

1991-10-15

Watson, Robert C.

Work holders

With fluid means

B65H 308

Patent

active

050567659

ABSTRACT:
An immobilizing device particularly useful during processing or testing flat workpieces includes an air-cushion unit carried at the lower end of a carrier member and having an annular skirt defining with the workpiece, an air-cushion chamber effective, when pressurized, to cause the air-cushion unit to hover over the workpiece to permit relative movement between the air-cushion unit and the workpiece and table, while immobilizing and flattening the board with respect to the table.

REFERENCES:
patent: 3694894 (1972-10-01), Jelinek et al.
patent: 4869489 (1989-09-01), Wirz et al.

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