wheel and pinion
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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
Wheel and axle — The wheel and axle is a simple machine. The traditional form as recognised in 19th century textbooks is as shown in the image. This also shows the most widely recognised application, ie lifting water from a well. The form consists of a wheel that … Wikipedia
Rack and pinion — A rack and pinion is a pair of gears which convert rotational motion into linear motion. The circular pinion engages teeth on a flat bar the rack . Rotational motion applied to the pinion will cause the rack to move to the side, up to the limit… … Wikipedia
rack and pinion — noun a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa) • Hypernyms: ↑gear, ↑gear wheel, ↑geared wheel, ↑cogwheel * * * Mach., Auto. See under rack1 ( … Useful english dictionary
rack-and-pinion — /rak euhn pin yeuhn/, adj. of or pertaining to a mechanism in which a rack engages a pinion: rack and pinion steering. See illus. under rack1. [1900 05] * * * ˌrack and ˈpinion 7 [rack and pinion] adjective only before noun using a piece of… … Useful english dictionary
pinion — A small, tapered gear which meshes with a larger gear or rack. It is found in two primary places in an automobile: the differential pinion and the rack and pinion steering. See crown wheel and pinion drive pinion inertia pinion planet pinion rack … Dictionary of automotive terms
rack and pinion gearbox — A type of steering system with a pinion gear on the end of the steering shaft. The pinion engages a long rack (a bar with a row of teeth cut along one edge). When the steering wheel is turned, the pinion turns and moves the rack to the left or… … Dictionary of automotive terms
Wheel train (horology) — In horology, a wheel train (or just train) is the gear train of a mechanical watch or clock.[1] Although the term is used for other types of gear trains, the long history of mechanical timepieces has created a traditional terminology for their… … Wikipedia
pinion — pin|ion1 [ˈpınjən] v [T always + adverb/preposition] to hold or tie someone s arms or legs very tightly, so that they cannot move freely ▪ My arms were pinioned behind me by the policemen. pinion 2 pinion2 n [Date: 1600 1700; : French; Origin:… … Dictionary of contemporary English
pinion — 1 verb 1 (transitive always + adv/prep) to hold or tie up someone s arms or legs very tightly, so that they cannot move freely: Her arms were pinioned tightly behind her. 2 (transitive usually passive) technical to cut off the big strong feathers … Longman dictionary of contemporary English
