“dead man's handle”的英英意思

单词

dead man's handle

释义

dead man's handle
In an electric train, a controlling handle which must be held in position for the current to pass, so that the train is automatically brought to a standstill should the driver release his grasp through illness or accident. So dead man's device, dead man's knob, dead man's pedal, dead man's treadle. Also transf.
1908Internat. Libr. Technol. Electr.-Railway..Multiple-Unit Syst. 11 Should an accident befall the motorman, causing him to release knob 14, the train will be automatically stopped. On this account knob 14 is sometimes called the dead man's knob, or handle.1924Westm. Gaz. 2 Dec., The Dead Man's handle..is a safety device for pulling up Underground trains.1951Engineering 13 Feb. 231/2 The usual dead-man's pedal..can be operated from both sides of the cab.1958Times Rev. Industry Sept. 48/2 The throttle is arranged as a ‘dead-man's handle’, and it is impossible to start the bus until the sliding doors have been closed.1964Daily Tel. 18 Feb. 20 The dead man's treadle..should automatically stop a train if the driver becomes unconscious.Ibid., A deadman's device.

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