| 单词 | roller bolt |
| 释义 | > as lemmasroller bolt roller bolt n. now historical a short upright projection on the splinter bar of a carriage to which the trace (trace n.2 1) can be attached. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > cart, carriage, or wagon > parts of cart or carriage > [noun] > swingle-tree > parts or attachments of roller bolt1796 wagon-hammer1875 tree-coupling1877 tree-iron1877 1796 W. Felton Treat. Carriages (ed. 2) II. 196 Splinter Bar Rolls, or Roller Bolts, are strong bolts, with large round flat heads, and thick rollers, round which the traces are fastened. 1851 ‘Nimrod’ Road 16 He placed his right foot on the roller-bolt,—i.e., the last step but one to the box. 1903 Amer. Horse Show Blue Bk. II. 18 Wheeler's inside traces shorter than outside traces, unless the inside roller bolt is enlarged to give the same result. 1994 D. J. Smith Discovering Horse-drawn Vehicles ii. 21 The traces of coach harness looped round mushroom-shaped roller bolts or uprights on the splinterbar. < as lemmas |
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