Harvesters – Motorized harvester – Including driven air-blower unit
Patent
1991-04-03
1992-06-02
Neuder, William P.
Harvesters
Motorized harvester
Including driven air-blower unit
56DIG3, A01D 3400
Patent
active
051176190
ABSTRACT:
The present invention describes an air-floated apparatus comprising a wheel-less housing having a skirt extending around a lower edge thereof and having an air-inlet opening in an upper portion thereof, the housing further including a discharge port. The apparatus includes a motor having a rotatable shaft. An impeller is mounted on the shaft for generating pressurized air in the hosuing to float the housing above a support surface. The apparatus also includes a cutting blade mounted on said shaft for generating grass clippings. According to the invention, a substantially u-shaped centrifuge raceway is provided for receiving the grass clippings and transporting the grass clippings to the discharge port. A plurality of struts are provided for supporting the centrifuge raceway in a spaced relationship with respect to an inner wall of the housing to create an air pressure channel for the pressurized air between the inner wall and the centrifuge raceway. Preferably, the centrifuge raceway includes an anti-stick coating on its inner surface to facilitate movement of the grass clippings towards the discharge port.
REFERENCES:
patent: 3838558 (1974-10-01), Goodchild
patent: 4245455 (1981-01-01), Martin
patent: 4245456 (1981-01-01), Ziptel
patent: 4527380 (1985-07-01), Fushiya et al.
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