jackshaft
From Wiktionary, the free dictionary
Etymology
Noun
jackshaft (plural jackshafts)
- A common mechanical component used to transfer or synchronize rotational force in a machine.
- Synonym: countershaft
- A wheelless axle used to turn the wheels of a locomotive.
- 1950 October, “S.R. Diesel-Mechanical Shunter”, in Railway Magazine, page 692:
- Final drive is by reduction gears on the jackshaft, and through flycranks and rods to the wheels.
Translations
mechanical component
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Verb
jackshaft (third-person singular simple present jackshafts, present participle jackshafting, simple past and past participle jackshafted)
- To transfer or synchronize rotational force by means of a jackshaft.
- Synonym: countershaft
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