US 12,349,621 B2
Zero turn radius mower with cutting blade control
Jeffrey Zeiler, Pewaukee, WI (US); and Robert J. Koenen, Pewaukee, WI (US)
Assigned to Briggs & Stratton, LLC, Wauwatosa, WI (US)
Filed by BRIGGS & STRATTON, LLC, Wauwatosa, WI (US)
Filed on Jul. 22, 2022, as Appl. No. 17/871,096.
Application 17/871,096 is a continuation of application No. 16/874,456, filed on May 14, 2020, granted, now 11,425,856.
Application 16/874,456 is a continuation of application No. 15/868,662, filed on Jan. 11, 2018, granted, now 10,687,464.
Claims priority of provisional application 62/445,390, filed on Jan. 12, 2017.
Prior Publication US 2022/0354049 A1, Nov. 10, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A01D 34/00 (2006.01); A01D 34/66 (2006.01); A01D 34/78 (2006.01); A01D 69/02 (2006.01); A01D 34/82 (2006.01); A01D 101/00 (2006.01)
CPC A01D 34/006 (2013.01) [A01D 34/66 (2013.01); A01D 34/78 (2013.01); A01D 69/02 (2013.01); A01D 34/824 (2013.01); A01D 2101/00 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A zero turn radius (ZTR) mower, comprising:
a pair of rear drive wheels;
a mowing deck including a plurality of cutting blades;
an electric storage battery;
a pair of electric wheel motors each configured to rotate one of the rear drive wheels;
a plurality of electric blade motors each configured to rotate one of the plurality of cutting blades; and
a master controller in communication with each of the pair of wheel motors and the plurality of blade motors, wherein the master controller is configured to control a rotational speed of each of the pair of wheel motors and the plurality of blade motors and wherein the master controller is configured to successively send voltage pulses between each of the plurality of blade motors.