Tool for the contact-free support of discs

Details Tool for the contact-free support of discs Tool for the contact-free support of discs

1977-03-02

1978-10-03

Marbert, James B.

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

B66C 102

Patent

active

041180585

ABSTRACT:
A tool for the contact-free support of discs by gas streams impinging on discs when emerging from the supporting face of the tool at an acute angle to the disc surface, which comprises a body having a supporting face, bores within said body for connection with an extraneous gas reservoir, means in said body directed at an acute angle with respect to the supporting face for discharge of gas flowing from the reservoir, said flow-through means consisting of nozzles or recesses being position at equal distance from each other on the surface of a cone whose base is enclosed by a circle concentric with an imaginary circle on the supporting face, said circle having a diameter of 0.2-0.6 supporting face-diameters, the cone having an angle of 20.degree.-150.degree. at the apex, and wherein the distance of the flow-through means on the surface of the cone is from 2/3r.pi. to 0r, measured at the periphery of the circle, and the radial widths of the flow-through means in the supporting face are about 0.02-3% of the supporting face diameter.

REFERENCES:
patent: 3438668 (1969-04-01), Olsson et al.
patent: 3523706 (1970-08-01), Logue
IBM Technical Disclosure Bulletin, vol. 18, No. 6, Nov. 1975, 1837.

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