US 11,813,977 B1
Safety system for motor vehicles having power take off drive
Mark Zdzislaw Zawadzki, Lancaster, NY (US); Paul Henry Martin, Toronto (CA); and Matthew Jacob Czerniejewski, Cheektowaga, NY (US)
Assigned to DEL Hydraulics, Inc., Buffalo, NY (US)
Filed by DEL Hydraulics, Inc., Buffalo, NY (US)
Filed on Apr. 22, 2022, as Appl. No. 17/727,198.
Int. Cl. B60Q 1/46 (2006.01); F21S 10/06 (2006.01); H05B 47/17 (2020.01); F21W 103/30 (2018.01); B60K 25/06 (2006.01)
CPC B60Q 1/46 (2013.01) [F21S 10/06 (2013.01); H05B 47/17 (2020.01); B60K 25/06 (2013.01); F21W 2103/30 (2018.01)] 18 Claims
OG exemplary drawing
 
1. A safety system for a motor vehicle equipped with a power take-off (PTO) drive assembly and a hazard warning system including at least one flasher lamp powered by a battery of the motor vehicle, the safety system comprising:
an electrical circuit coupling the hazard warning system and an control element of the PTO drive assembly, wherein the control element is disabled to prevent operation of the PTO drive system unless the at least one flasher lamp is energized.