| 释义 |
Definition of contrate wheel in English: contrate wheelnounˈkɒntreɪt another term for crown wheel Example sentencesExamples - These were driven by a series of bevel gears, contrate wheels, pinions and long axles extending from the centre to the ends.
- The ivory contrate wheel drives the metal pinion for the ivory crown wheel.
- If the pivot guard needs to be rotated to suit a contrate wheel to one side, carefully remove the balance cock, complete with hairspring, balance wheel etc.
- The back plate had a jewel for the contrate wheel.
- Note how the balance wheels are in a horizontal position being driven by the movement train through a contrate wheel which allows for the change in position.
Origin Late 17th century: contrate (a rare adjective meaning 'opposed, contrary') from medieval Latin contrata 'lying opposite', from Latin contra 'against'. |