A safety light system on an excavator or parked vehicle that is manually operated by the excavator operator. The unit is typically controlled by a single button located in the excavator cab. The excavator operator presses the button. A green LED, or other green light, projects a green beam of light toward the rear of the truck. This signals the truck driver that he can begin backing toward the excavator. At a predetermined distance, the excavator operator again pushes the button. The unit switches to an orange light. Finally, in a final position, the excavator operator again presses the button to project a red light. As the truck driver backs toward the excavator, he first sees green, then orange and finally red. Upon seeing red, he knows to stop backing. A fourth push can again project a green light signaling a safe condition for drive-away.
Excavator safety system and method
2017-10-24
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |