Harvesters – Motorized harvester – Including driven air-blower unit
Patent
1991-04-03
1992-06-23
Bui, Thuy M.
Harvesters
Motorized harvester
Including driven air-blower unit
56 134, A01D 5300
Patent
active
051232359
ABSTRACT:
An air-floated cutting apparatus is described comprising a substantially endless housing having an open bottom, an air intake opening and a discharge port, the housing cooperating with a plate member beneath the housing to define a substantially enclosed chamber. A rotatable cutting blade is mounted in the housing, and an air impeller is provided for pressurizing air in said chamber sufficient to float the housing above the ground. The rotatable cutting blade and the air impeller are designed for co-rotation. According to the invention, a mulch recycling system is attached to the discharge port for receiving grass clippings produced by the rotatable cutting blade and for delivering the grass clippings to a predetermined location adjacent the endless housing for mulching. The system may include an applicator for treating the grass clippings with enzymes and/or bacteria to facilitate composting and fermentation.
REFERENCES:
patent: 3150479 (1964-09-01), Wolf
patent: 3908913 (1975-09-01), Cushman
patent: 4081947 (1978-04-01), Szymanis
patent: 4411125 (1983-10-01), Strickland
patent: 4738086 (1988-04-01), Dunn
Bui Thuy M.
Judson David H.
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