Autonomous lawn mower with recharge base
First Claim
1. Apparatus for cutting grass in a cut area delimited by a perimeter, said perimeter being defined by the presence of regions of grass surface having height lower or greater than a preset value,said apparatus comprising a lawn-mower and a lawn-mower-recovery base, said lawn-mower comprising:
- a motor unit for the directional displacement of said lawn-mower,a cutting device,said lawn-mower-recovery base being disposed along said perimeter of the cut area with an accessible aperture allowing the entry of the lawn-mower moving along said perimeter,said lawn mower further comprisingat least a first proximity sensor able to detect the presence, if any, of a grass surface exceeding said height;
a control unit operatively associated with said first proximity sensor for receiving a signal therefrom, said control unit being configured to detect said perimeter according to said signal, said control unit being configured to determine a condition of alignment of said lawn-mower with said perimeter according to said signal,said control unit being operatively connected to said motor unit to cause a displacement of the lawn-mower along said perimeter in response to the alignment condition to operate the return of said lawn-mower into the lawn-mower-recovery base.
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Accused Products
Abstract
An apparatus for cutting grass in a cut area delimited by a perimeter, the perimeter being defined by the presence of regions of grass surface, comprises a lawn-mower and a lawn-mower-recovery base, the lawn-mower comprising a motor unit, a cutting device, the lawn-mower-recovery base being disposed along the perimeter with an accessible aperture allowing the entry of the lawn-mower moving along it, the lawn-mower further comprising a proximity sensor able to detect the presence of a grass surface, a control unit associated with the sensor, the control unit being configured to detect the perimeter, the control unit being configured to determine a condition of alignment of the lawn-mower with the perimeter, the control unit being operatively connected to the motor unit to cause a displacement of the lawn-mower along the same perimeter, to operate the return of the lawn-mower into the lawn-mower-recovery base.
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Citations
10 Claims
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1. Apparatus for cutting grass in a cut area delimited by a perimeter, said perimeter being defined by the presence of regions of grass surface having height lower or greater than a preset value,
said apparatus comprising a lawn-mower and a lawn-mower-recovery base, said lawn-mower comprising: -
a motor unit for the directional displacement of said lawn-mower, a cutting device, said lawn-mower-recovery base being disposed along said perimeter of the cut area with an accessible aperture allowing the entry of the lawn-mower moving along said perimeter, said lawn mower further comprising at least a first proximity sensor able to detect the presence, if any, of a grass surface exceeding said height; a control unit operatively associated with said first proximity sensor for receiving a signal therefrom, said control unit being configured to detect said perimeter according to said signal, said control unit being configured to determine a condition of alignment of said lawn-mower with said perimeter according to said signal, said control unit being operatively connected to said motor unit to cause a displacement of the lawn-mower along said perimeter in response to the alignment condition to operate the return of said lawn-mower into the lawn-mower-recovery base. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification