Air inlet and air dispersion grommet and improved air pallet bea

Details Air inlet and air dispersion grommet and improved air pallet bea Air inlet and air dispersion grommet and improved air pallet bea

1981-10-14

1983-11-29

Peters, Jr., Joseph F.

Motor vehicles

Surface effect vehicles

Fluid bearing or fluid pad

285 7, 403349, B60V 104

Patent

active

044176384

ABSTRACT:
A flexible, resilient, annular grommet, preferably flanged at both ends, mounts to a circular hole within a planar generally rigid backing member. The backing member forms with a thin flexible sheet member having at least a portion underlying the backing member, a plenum chamber. The flexible sheet bears perforations to provide an air bearing with an underlying support surface for a load borne by the backing member. The grommet lower flange is bifurcated and separated circumferentially by radial slots to permit lateral escape of the air to the interior of the plenum chamber with the inner flange functioning as air dispersion means within the plenum chamber to insure air flow throughout the chamber when the pallet is under load. A cross-piece or its equivalent, borne by the grommet, functions as a mechanical lock when engaging a rigid air supply tube or nozzle at the end of an air inlet hose, for feeding air under pressure to the plenum chamber. The cross-piece further limits projection of the nozzle within the hole of the grommet, thereby preventing the end of the nozzle from plunging through the thin flexible sheet bearing the perforations.

REFERENCES:
patent: 774667 (1904-11-01), Houser
patent: 1932099 (1933-10-01), Cabana
patent: 2500955 (1950-03-01), Martinet et al.
patent: 3423781 (1969-01-01), Henson
patent: 3876199 (1975-04-01), Eichenauer
patent: 3948344 (1976-04-01), Johnson et al.
patent: 4155421 (1979-05-01), Johnson et al.

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