rack barn.1
/ˈrak bɑː/, U.S. /ˈræk ˌbɑr/ Mechanics.
= rack n.4 5b.
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society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > converters
pallet1676
rack1717
parallel motion1728
rack and pinion?c1780
rack bara1824
radius rod1834
rack rod1839
a1824 A. Scott in Trans. Highl. Soc. (1824) 6 31 The teeth of these two spur-wheels are to work..into the teeth of the rack-bars.
1879 Cassell's Techn. Educator (new ed.) IV. 395/1 A strong semicircle of cast iron, with which the telescope is connected by a rack-bar.
1922 A. La Motte Blasters' Handbk. (Du Pont Co.) 56 (caption) Working parts of a push-down Blasting Machine. 1, rack bar, showing teeth which engage the pinion..[etc.].
1972 Daily Rev. (Hayward, Calif.) 31 May 9/1 The rack bar is the transverse bar connecting the steering column to the wheels in a rack and pinion steering mechanism.
2005 J. Erjavec Automotive Technol. (ed. 4) xliv 1172 The rear-steering shaft extends from the rack bar of the front-steering assembly to the rear-steering-phase control unit.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1a1824