公开(公告)号：US11058053B2

公开(公告)日：2021-07-13

申请号：US16369702

申请日：2019-03-29

Applicant: iRobot Corporation

Inventor： Shaan Patel ,  Brian Doughty

IPC: A01D34/81 ,  A01D34/66 ,  A01D34/82 ,  A01D75/20 ,  A01D34/00 ,  A01D101/00

Abstract: An autonomous robot lawnmower includes a blade assembly including blades, a drive system to drive the blades through a cutting area having a cutting width, and a lateral blade guard including at least four bars spaced apart from one another by no less than 1 mm and no more than 15 mm. The at least four bars are positioned between the blades and a mowable area when the robot lawnmower is supported on the mowable area. The at least four bars extend across a portion of the cutting width and extending rearward and forward of the cutting area.

公开(公告)号：US20190297777A1

公开(公告)日：2019-10-03

申请号：US16369702

申请日：2019-03-29

Applicant: iRobot Corporation

Inventor： Shaan Patel ,  Brian Doughty

IPC: A01D34/81 ,  A01D34/82 ,  A01D34/66

Abstract: An autonomous robot lawnmower includes a blade assembly including blades, a drive system to drive the blades through a cutting area having a cutting width, and a lateral blade guard including at least four bars spaced apart from one another by no less than 1 mm and no more than 15 mm. The at least four bars are positioned between the blades and a mowable area when the robot lawnmower is supported on the mowable area. The at least four bars extend across a portion of the cutting width and extending rearward and forward of the cutting area.