crown wheel

crown wheel
In watchmaking, an object of circular shape with contrate teeth, which meshes with the winding pinion and with the ratchet-wheel on the barrel-arbor used to wind-up the watch, respectively, to set the time.

Wikipedia foundation.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • Crown wheel — Crown Crown (kroun), n. [OE. corone, coroun, crune, croun, OF. corone, corune, F. couronne, fr. L. corona crown, wreath; akin to Gr. korw nh anything curved, crown; cf. also L. curvus curved, E. curve, curb, Gael. cruinn round, W. crwn. Cf.… …   The Collaborative International Dictionary of English

  • Crown wheel — (hw?l ). [Named from its resemblance to a crown.] (Mach.) A wheel with cogs or teeth set at right angles to its plane; called also a {contrate wheel} or {face wheel}. [1913 Webster] …   The Collaborative International Dictionary of English

  • crown-wheel — crownˈ wheel noun (horology) A wheel with teeth set at right angles to its plane • • • Main Entry: ↑crown …   Useful english dictionary

  • crown wheel — or crown gear n. a gearwheel with teeth set in the rim perpendicularly to its plane …   English World dictionary

  • crown wheel — noun : a crown gear of light construction: as a. : the crown shaped horizontal escape wheel of a verge escapement timepiece b. : a contrate wheel in the winding mechanism of a watch that drives the ratchet wheel and is itself driven by the… …   Useful english dictionary

  • crown wheel and pinion — A pair of gears in the final drive of a vehicle, always found in the back axle of a rear wheel drive layout where the pinion is on the end of the propeller shaft driving the crown wheel mounted on the differential at right angles to it, and also… …   Dictionary of automotive terms

  • crown wheel — Horol. 1. a wheel next to the winding knob, having two sets of teeth, one at right angles to its plane. 2. any of various wheels having the form of a hoop or short cylinder with a serrated edge, as the escape wheel in a verge escapement. [1640… …   Universalium

  • crown wheel — noun a gearwheel or cogwheel with teeth that project from the face of the wheel at right angles, used especially in the gears of motor vehicles …   English new terms dictionary

  • crown-wheel — n. Contrate wheel …   New dictionary of synonyms

  • crown wheel — /ˈkraʊn wil/ (say krown weel) noun 1. the larger of the two wheels in a bevel gear. 2. Horology a wheel next to the winding knob, having two sets of teeth, one at right angles to its plane …  

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”