US 12,108,700 B2
Method and means for mowing lawns
Kalle Andersson, Fagersta (SE); and Per Andersson, Uppsala (SE)
Assigned to Robotic Lawn Care Sweden AB, Fagersta (SE)
Filed by ROBOTIC LAWN CARE SWEDEN AB, Fagersta (SE)
Filed on Dec. 14, 2021, as Appl. No. 17/550,514.
Application 17/550,514 is a continuation of application No. 15/781,572, granted, now 11,252,863, previously published as PCT/SE2016/000073, filed on Nov. 23, 2016.
Claims priority of application No. 1530185-6 (SE), filed on Dec. 6, 2015; and application No. 1530190-6 (SE), filed on Dec. 14, 2015.
Prior Publication US 2022/0095534 A1, Mar. 31, 2022
Int. Cl. A01D 34/00 (2006.01); A01D 34/78 (2006.01); A01D 75/00 (2006.01); B60L 53/30 (2019.01); B60P 3/06 (2006.01); G05D 1/00 (2006.01); G05D 1/02 (2020.01); A01D 101/00 (2006.01)
CPC A01D 34/008 (2013.01) [A01D 34/78 (2013.01); A01D 75/004 (2013.01); A01D 75/006 (2013.01); B60L 53/30 (2019.02); B60P 3/06 (2013.01); G05D 1/0225 (2013.01); G05D 1/0265 (2013.01); G05D 1/0287 (2013.01); A01D 2101/00 (2013.01); B60L 2200/40 (2013.01); G05D 1/0219 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system for cutting grass of a plurality of lawns, the system comprising:
A) two or more robotic lawn mowers each having a respective rechargeable energy storage, each of the two or more robotic lawn mowers being operable, via consumption of energy from the rechargeable energy storage, to cut grass at a respective one of the plurality of lawns;
B) a mobile carrier configured to transport the two or more robotic lawn mowers to and from the plurality of lawns;
C) two or more fence areas, each fence area delineating an individual lawn of the plurality of lawns and configured to be operable while a respective one of the two or more robotic lawn mowers is operating at the respective one of the plurality of lawns, and
D) two or more power arrangements, each power arrangement being associated with a respective fence area and comprising:
a) a first part fixed at the respective lawn, and
b) a second part which is separate from the first part; and
E) a control system configured to identify a respective robotic lawn mower, and pair the respective robotic lawn mower with a respective lawn to be mowed by the respective robotic lawn mower.