A wheel or drum fixed on a shaft and turned by a belt, cable, etc., for the application or transmission of power, or to guide the belt.
| 单词 | θ214231 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > pulleys (8) pulleya1586 A wheel or drum fixed on a shaft and turned by a belt, cable, etc., for the application or transmission of power, or to guide the belt. tension-roller1835 = tension-pulley n. idle pulley1873 Of machinery. to run idle, to run loose, without doing work or transmitting power. jockey-pulley1893 a small wheel which ‘rides’ upon the top edge of a larger one, used for obtaining a high speed, or for keeping a rope in the groove of a grooved… Subcategories:— parts of (4) |
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