LAWN MOWER
A lawn mower includes a cutter blade that is an elongated member extending in opposite horizontal directions with respect to a vertical rotation shaft. The cutter blade includes, on each of its longitudinally opposite end portions, a blade section formed along the front edge, in a rotating direction...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
01.10.2015
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Subjects | |
Online Access | Get full text |
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Summary: | A lawn mower includes a cutter blade that is an elongated member extending in opposite horizontal directions with respect to a vertical rotation shaft. The cutter blade includes, on each of its longitudinally opposite end portions, a blade section formed along the front edge, in a rotating direction of the cutter blade, of the end portion, and an air lift section extending from the front edge while curving rearward and upward. The air lift section has a vertical downward wing formed integrally thereon and extending downward via a bent section that is bent downward from at least a rear half portion, in the rotating direction, of an outer peripheral edge of the air lift section. The bent section has a radius set to gradually increase as the air lift section curves rearward and upward in the rotating direction. |
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Bibliography: | Application Number: US201514670643 |