dead man's handle


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Related to dead man's handle: Dead Man's Switch

dead man's handle

or

dead man's pedal

n
(Mechanical Engineering) a safety switch on a piece of machinery, such as a train, that allows operation only while depressed by the operator
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References in periodicals archive ?
Donald also designed the dead man's handle safety device, which is used in the case of driver emergency.
Thursday: Sedgfield Players youth section, Die Kinder; Statement Drama Company Scarborough, Dead Man's Handle and Sarah-Ellen.
It works in a similar way to the Dead Man's Handle that is designed to keep train drivers awake and alert.