Harvesters – Motorized harvester – Including driven air-blower unit
Patent
1994-05-12
1995-07-25
Suchfield, George A.
Harvesters
Motorized harvester
Including driven air-blower unit
56 169, 56 175, 56255, 563202, A01D 3467, A01D 3472, A01D 3773
Patent
active
054351189
ABSTRACT:
This invention is an improvement of the vertical shaft rotary lawn mower so that it can, besides cut grass, also vacuum and sweep lawns, driveways, and other hard-surfaced areas and to shred leaves and other shreddable materials. The improvement includes a rotatable sweeper brush in its own housing, a shredder with a number of uniformly twisted angularly radiating blades, and an inverted truncated conically shaped blower. Both shredder and blower are attached respectively near the top extremity and to the lower extremity of a rotatable spindle. In the sweeping and/or vacuuming operation, the sweeper brush, the spindle, the blower, and the mower blade revolve and leaves and other debris are sucked up into the brush housing by the rotating brush and by the rushing air, torn into small pieces by the revolving shredder, and the debris thrown upwardly sideward by the blower into the upper corner above the baffles, whirled, and thrown upward into the discharge chute and into the grass bag. In the grass cutting function, the grass clippings produced by the mower blade are thrown upward against the underside of the baffles, flow incliningly upward into the upper corner of the mower chamber above the baffles, whirled and blown through the discharge chute into the grass bag.
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