Ratchet-wheel
41Face wheel — In machinery, a face wheel, lap, or crown wheel (transmission wheel) is a wheel whose disk face is adapted for grinding and polishing. A water mill contains a face wheel.In watchmaking, the crown wheel is usually an object of circular shape with… …
42star wheel — noun : a somewhat star shaped disk used as a ratchet wheel (as in a repeating watch or the feed motion of any of various machines) compare geneva stop * * * star wheel noun A spur wheel with V shaped teeth • • • Main Entry: ↑star …
43Star wheel — Star Star (st[aum]r), n. [OE. sterre, AS. steorra; akin to OFries. stera, OS. sterro, D. ster, OHG. sterno, sterro, G. stern, Icel. stjarna, Sw. stjerna, Dan. stierne, Goth. sta[ i]rn[=o], Armor. & Corn. steren, L. stella, Gr. asth r, a stron,… …
44dog wheel — noun 1. : a wheel turned by dog power 2. : ratchet wheel …
45crown wheel — noun 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 …
46racket wheel — noun Etymology: by alteration : ratchet wheel …
47Steering wheel — This article is about steering wheels in cars. For the use in vessels, see Steering wheel (ship). A modern road car s steering wheel (Alfa Romeo Giulietta (2010)) …
48Brownian ratchet — The Brownian ratchet is a thought experiment about an apparent perpetual motion machine conceived by Richard Feynmancite book last = Feynman first = Richard P. authorlink = coauthors = title = The Feynman Lectures on Physics, Vol. 1 publisher =… …
49Grinding wheel — Grinding wheels A grinding wheel is an expendab …
50Balance wheel — Bal ance wheel 1. (Horology) (a) A wheel which regulates the beats or pulses of a watch or chronometer, answering to the pendulum of a clock; often called simply a {balance}. (b) A ratchet shaped scape wheel, which in some watches is acted upon… …
