| 单词 | dead man's pedal |
| 释义 | > as lemmasdead man's pedal 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 transferred. ΘΚΠ society > travel > rail travel > rolling stock > [noun] > locomotive > parts of electric railway traction unit guard-brush1888 nose suspension1894 nose1907 pantograph1907 dead man's handle1908 1908 Internat. 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. 1924 Westm. Gaz. 2 Dec. The Dead Man's handle..is a safety device for pulling up Underground trains. 1951 Engineering 13 Feb. 231/2 The usual dead-man's pedal..can be operated from both sides of the cab. 1958 Times 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. 1964 Daily Tel. 18 Feb. 20 The dead man's treadle..should automatically stop a train if the driver becomes unconscious. 1964 Daily Tel. 18 Feb. 20 A deadman's device. < as lemmas |
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