| 摘要 |
Signal device indicating driving status of a car comprising two series of rear lights with different color and lined up alternatively with each other characterized in that lighting and extinguishing of each series responds to the up/down movement of the accelerator pedal. Connected under the spring biased pedal is a sliding cylinder with a pair of cam means disposed at opposite sides to serve as switch actuators to two rows of switches for signal lights of different colors during respective accelerating and decelerating travels of the pedal. In the sliding cylinder, a normally open gravity switch means is further provided to give an instantaneous warning signal to alert the following car when the pedal is suddenly released for an emergency braking.
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