| 摘要 |
<p>A hover lawnmower comprises a housing 1 open on a bottom surface 14 thereof, the bottom surface having a circumference 11, 12, 13, a cutting element 5 mounted in the housing and facing the bottom surface 14 and a lift-generating apparatus 6 arranged to pressurise a chamber formed in the bottom surface relative to a local ambient pressure, in which the housing comprises a first portion 2 supporting the cutting element, and a second portion 3 mounted on the first portion at a mounting 15, in which the first portion and the second portion each have a distal edge 11, 13 distal from the mounting forming part of the circumference, the distal edges laying in a plane, in which the mounting is such that at least a part of the second portion including the distal edge 11 of the second portion can pivot relative to the first portion and in which pivoting the first and second portion relative to each other varies the distance of the cutting clement from the plane.</p> |
