WordNet
Usage examples of "safety device".
A safety device in the truck switched off the fans after ten seconds of unattended operation.
The air bag in the senator's car had gone off, but the deliberately angled impact had caused the senator to hit the bag well to the side, so the safety device didn't do as much good as it would have-another reason to avoid the full frontal smash.
Regardless of denials from the Quiet Wall Corporation, nationwide experiments are being conducted into the use of the corporation's sound-deadening units as a safety device in cars.
The twin trigger at either end of the bar was a logical safety device.