Tool for the contact-free support of plate-like substrates

Details Tool for the contact-free support of plate-like substrates Tool for the contact-free support of plate-like substrates

1998-05-29

1999-10-19

Kramer, Dean J.

Handling: hand and hoist-line implements

Utilizing fluid pressure

By positive fluid stream directed against article

414941, 901 40, B25J 1506

Patent

active

059675780

ABSTRACT:
The invention relates to a tool for the free support of plate-like substrates, comprising a flat plate-like body with at least one supporting surface wherein at least one gas channel is provided within the body, extending from an outer gas supply end to an inner gas discharge end, the gas discharge end being in fluid communication with a gas distribution chamber, through which gas passes into a dynamically balanced gas slit being arranged radially with respect to the gas distribution chamber predominantly parallel to the supporting surface and opening into the supporting surface at its outer end at an angle >90 and <180.degree..

REFERENCES:
patent: 3438668 (1969-04-01), Olsson et al.
patent: 3523706 (1970-08-01), Logue
patent: 3539216 (1970-11-01), Forcier
patent: 4002254 (1977-01-01), Olofsen
patent: 4118058 (1978-10-01), Rahn et al.
patent: 5324155 (1994-06-01), Goodwin et al.
patent: 5492566 (1996-02-01), Sumnitsch

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