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US 11,203,284 B2Granted
Road working machine with egress lighting system
AssigneeRoadtec, Inc.
InventorsMatthew Neisen, Perry Basler
Life of this patent
Estimating the term…
Abstract
A road working machine includes an operator's station that is adapted to be occupied by an operator of the road working machine. The road working machine also includes a controller and a safety light circuit that is operatively attached to the controller. The safety light circuit includes a plurality of downwardly directed safety lights that are located so as to provide lighted egress from the operator's station.
Claims16
A road working machine comprising:
- (a) an operator's station that is adapted to be occupied by an operator of the road working machine;
- (b) a controller;
- (c) a safety light circuit that is operatively attached to the controller, said safety light circuit including:
- (i) a plurality of downwardly directed safety lights that are located so as to provide lighted egress from the operator's station;
- (ii) a timer;
- (d) an emergency stop button that is operatively attached to the controller and adapted to power off the road working machine;
- (e) wherein the controller is adapted to turn off the plurality of safety lights after the timer indicates that a predetermined period of time has elapsed after the road working machine is powered off by operation of the emergency stop button.
4 more elements
Dependencies are inferred from the claim text.