rack gear

  • 1Rack lift — A rack lift is a type of elevator which consists of a cage attached to vertical rails affixed to the walls of a tower or shaft and which is propelled up and down by means of an electric motor which drives a pinion gear that engages a rack gear… …

    Wikipedia

  • 2Rack railway — track using the Lamella system rack …

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  • 3rack — rack1 [rak] n. [ME racke < LowG rack < IE * rek , to project, bar > ROCK2] 1. a framework, grating, case, stand, etc. for holding or displaying various things [clothes rack, dish rack, pipe rack, bomb rack]: often used in combination:… …

    English World dictionary

  • 4Rack — may refer to: People * Rack (Buffyverse) * Reinhard Rack, an Austrian politician Kinds of racks * Rack (torture device) * Rack (billiards) * 19 inch rack, a system for mounting electronic modules * Amp rack, short for amplifier rack, a piece of… …

    Wikipedia

  • 5Gear cutting — is any number of methods used to manufacture precision gears.Gear hobbing is a method by which a special hobbing anto cutter and gear blank are rotated at the same time to transfer the profile of the hob onto the gear blank.Spur and other… …

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  • 6Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …

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  • 7Rack 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

  • 8rack and pinion — Mach., Auto. See under rack1 (def. 5a). * * * Mechanical device consisting of a bar of rectangular cross section (the rack), having teeth on one side that mesh with teeth on a small gear (the pinion). If the pinion rotates about a fixed axis, the …

    Universalium

  • 9rack 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

  • 10rack — I. noun Etymology: Middle English rak rain cloud, rapid movement Date: 14th century a wind driven mass of high often broken clouds II. intransitive verb Date: 1590 to fly or scud in high wind III. noun Etymology: Middle English, probably from… …

    New Collegiate Dictionary