A - Human Necessities – 01 – D
Patent
A - Human Necessities
01
D
A01D 34/52 (2006.01) A01D 34/73 (2006.01) A01D 34/82 (2006.01)
Patent
CA 2380880
A cutter blade for lawn mowers having an airlift curved from a cutting edge formed on a rotationally leading edge toward a rotationally trailing edge. The trailing edge of the airlift is shaped in a waveform comprising a plurality of protrusions and a plurality of depressions. The protrusion closest to an outer end where the centrifugal force is greatest during the rotation of the cutter blade, is greatest in width so as to improve the discharging capability of grass clippings. The depressions limit negative pressure generated rotationally behind the airlift. A plurality of vent holes formed in the airlift is arranged radially in lines.
Abe Yasutomo
Hasei Shoji
Iida Tetsuo
Matsumoto Naoki
Sasaki Hiromitsu
Dennison Associates
Honda Giken Kogyo Kabushiki Kaisha
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