Patent ID: 8359821

Claim:
An apparatus for caring for a lawn, comprising: a cutting device comprising a support deck supporting a power source, a motor, and a cutting blade, the cutting device further comprising a sleeve for mounting the cutting device; a chassis for slidably receiving the sleeve and for carrying the cutting device above the lawn, the chassis defining a longitudinal axis and including a chassis body and wheels mounted on the chassis body; and an adjusting device for adjusting the height of the cutting device with respect to the chassis, which is arranged between the cutting device and the chassis; wherein the adjusting device comprises an adjusting seat connected to one of the chassis body and the cutting device, an adjustment driving device mounted on the adjusting seat, a driving member connected to the adjustment driving device, and a driven member connected to the driving member, wherein the driven member is connected to the other one of the chassis body and the cutting device, wherein actuation of the adjustment device causes the sleeve of the cutting device to slide relative to the chassis along the longitudinal axis of the chassis, thereby changing the distance between the cutting device and the lawn.