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US 10,207,557 B2Granted
Robotic working tool
AssigneeHusqvarna AB
InventorsJonathan Björn, Martin Elonsson, Anders Sjögren
Life of this patent
Estimating the term…
Abstract
A robotic work tool system may include a robotic work tool. The robotic work tool may include two front wheels and a chassis. The robotic work tool is characterized in that the two front wheels are arranged on a beam axle that is pivotably arranged to the chassis.
Claims9
A robotic work tool system comprising a robotic work tool, said robotic work tool comprising two front wheels and a chassis, wherein the two front wheels are arranged on a beam axle being pivotably arranged to the chassis,
- wherein the beam axle is pivotably attached to the chassis through a pivot point being an axle protruding from the chassis and extending through an opening in the beam axle,
- wherein the axle at the pivot point extends through a vertically oriented elongated slot disposed in the beam axle, and
- wherein responsive to movement of the axle upward in the elongated slot, a lifting of the robotic work tool is detected.
Dependencies are inferred from the claim text.