| 释义 |
crown wheel
crown wheel n 1. (Horology) horology the wheel next to the winding knob that has one set of teeth at right angles to the other 2. (Mechanical Engineering) the larger of the two gears in a bevel gear crown wheel
crown wheel[′krau̇n ‚wēl] (design engineering) A gear that is light and crown-shaped. (horology) The horizontal escape wheel of a verge escapement timepiece. The wheel in the winding mechanism of a watch that drives the ratchet wheel and is itself driven by the winding-stem pinion. |