Blade assembly for a grass cutting mobile robot

  • US 10,426,083 B2
  • Filed: 06/13/2018
  • Issued: 10/01/2019
  • Est. Priority Date: 02/02/2016
  • Status: Active Grant
First Claim
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1. A grass cutting mobile robot comprising:

  • a drive system operable to navigate the robot about a mowable area; and

    a blade assembly comprising a housing and a blade to cut vegetation on the mowable area, the blade comprising;

    a first portion extending outwardly from the housing and defining a longitudinal axis, a proximal end of the first portion mounting the blade to the housing on a mounting axis at a non-parallel angle to a vertical axis;

    a second portion extending from a distal end of the first portion at an angle to the longitudinal axis; and

    a third portion extending from a distal end of the second portion in a direction parallel to the longitudinal axis, the third portion being offset by a distance from the first portion, and a distal end of the third portion being angled in a first direction with respect to the longitudinal axis and tapered in a second direction with respect to the longitudinal axis to form a blade cutting tip, the third portion of the blade comprising a cutting portion configured to cut the vegetation on the mowable area, the cutting portion of the blade being coincident with a radial axis of the blade assembly.

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