Air-floated apparatus

Details Air-floated apparatus Air-floated apparatus

1990-05-24

1992-04-07

Bui, Thuy M.

Harvesters

Motorized harvester

Including driven air-blower unit

A01D 8700

Patent

active

051016150

ABSTRACT:
An air-floated apparatus, such as a lawn mower or vacuum cleaner, is comprised of an endless housing having a bottom opening defined by a relatively flat plate member projecting inwardly from a bottom part of the housing. At least one air impeller is provided for pressurizing air within the housing sufficient to float the housing above a support surface. The plate member directs air laterally into the housing to inhibit the escape of air from the housing and maintain a relatively constant pressure in the housing. In one embodiment the apparatus is comprised of a lawn mower having a rotatable cutting member mounted within the housing. The rotary action of the cutting member centrifuges grass cuttings within the housing. The plate member acts as a shelf to support the centrifuged grass cuttings and cooperates with an inner wall of the housing to direct the grass cuttings into a discharge duct for collection in a bag or other receptacle.

REFERENCES:
patent: 4817372 (1989-04-01), Toda et al.

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