| 摘要 |
<p>The invention concerns a lawn mower blade or the like consisting of a rectangular elongated and flattened plate (2) including in its center a bore (3) bordered on either side with holes (4) for its being fixed to a rotating drive shaft, said blade comprising a leading edge (7), a trailing edge (8) and a raised part (9) located proximate each end of the blade, while each leading edge (1) and trailing edge (8) has, relative to a horizontal plane containing the plate (2), a chamfered profile (6) which is provided with an angle (β) ranging between 0 and 30 degrees and in that the chamfered profile (6) includes a tapered terminal tip (10) whereof the land thickness d ranges between 0.1 and 0.5 millimeters.</p> |
