rack and pinion

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rack and pinion

[′rak ən ′pin·yən]
(mechanical engineering)
A gear arrangement consisting of a toothed bar that meshes with a pinion.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Adjustable threaded rack rails add flexibility in mounting any size equipment, while removable side panels allow for instant access to mounted electronics.
A spacious interior was designed to hold the various accessories available, including front and rear rack rails for mounting equipment.
Another common characteristic is they have square hole rack rails rather than tapped or threaded rails.
The 78 3/4" all-steel vertical rack comes complete with vented sides, an open base for cabling, and adjustable punched rack rails with lacing bar.
The A Series has long been popular with Network and Telecom managers because of the ability to order different heights, a choice of tapped or square hole rack rails in either 19" or 23" EIA standards and the adjustability of 26"-42" of depth.