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https://drivepatents.com/patents/950264 · 17 Jun 2015
The invention describes a method of identifying an anomalous position of an apparatus (100) for cutting grass, in which the apparatus comprises a lawn-mower (1) provided with one or more blades for cutting grass and a movement means (20) comprising at leas...
https://drivepatents.com/patents/963485 · 28 Jan 2015
It is described a working apparatus (100) for a limited working area (S). The apparatus comprises a base station (80) configured to generate a magnetic field (B) extending at least in part over the working area and comprises a self-propelling robot (1) hav...
https://drivepatents.com/patents/987447 · 14 Aug 2013
An apparatus for cutting grass comprising: a lawn mower equipped with movement means (20) and one or more blades (30) for cutting grass; a perimeter cable (2), delimiting a cutting area (S); a management device (3) for generating an electrical signal (ES) ...
https://drivepatents.com/patents/997855 · 26 Sep 2012
An apparatus for cutting grass, comprising a lawn mower provided with actuating means for movement of the lawn mower at least inside one cutting area; one or more blades for cutting grass in the cutting area. The apparatus further comprises: a perimetral c...
https://drivepatents.com/patents/1016039 · 2 Feb 2011
A variable-contact wheel (1) comprises a tread (2) having a plurality of radial fins (3) extending parallel to axis of rotation (1a) over at least a fraction of the width of tread (2).