US 12,449,249 B1
Sensor assembly for a steering control lever of a mower
Anthony Lapp, Grand Blanc, MI (US); Jason S. Richardson, Chuckey, TN (US); Randall D. Thompson, Lancaster, SC (US); Kyle J. Merrill, Chuckey, TN (US); and Todd A. Link, Gray, TN (US)
Assigned to Parker-Hannifin Corporation, Cleveland, OH (US)
Filed by Parker-Hannifin Corporation, Cleveland, OH (US)
Filed on Nov. 7, 2023, as Appl. No. 18/503,263.
Claims priority of provisional application 63/484,765, filed on Feb. 14, 2023.
Int. Cl. G01B 7/30 (2006.01); A01D 34/78 (2006.01); A01D 34/82 (2006.01); A01D 101/00 (2006.01); G01D 5/14 (2006.01)
CPC G01B 7/30 (2013.01) [A01D 34/78 (2013.01); A01D 34/824 (2013.01); G01D 5/14 (2013.01); A01D 2101/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sensor assembly comprising:
a rotary displacement amplifier configured to be coupled to a lap bar of a mower and configured to amplify movement of the lap bar; and
a rotary sensor comprising a sensor shaft coupled to, and rotatable by, the rotary displacement amplifier, wherein the rotary displacement amplifier is configured to transmit an amplified movement of the lap bar to the sensor shaft, and wherein the rotary sensor is configured to provide a signal indicative of a rotary position of the sensor shaft to a drive motor controller of the mower to drive an electric motor that propels the mower based on the signal.