racket wheeln.

Brit.

/ˈrakɪt ˌwiːl/, U.S.

/ˈrækət ˌ(h)wil/

Origin: A variant or alteration of another lexical item. Etymon: ratchet wheel n. at ratchet n.² Compounds 1

Etymology: Variant or alteration of ratchet wheel n. at ratchet n.² Compounds 1, perhaps after rack n.⁴ (compare rack n.⁴ 5).

Now rare.

= ratchet wheel n. at ratchet n.² Compounds 1.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > ratchet

ratch1696

ratchet wheel1736

ratchet1744

ratch-wheel1744

racket wheel1758

catch wheel1786

mousing1875

1758 W. Emerson Princ. Mech. (ed. 2) xiii. 209 AB a machine to raise a weight, and stay it in any position. CD a roller turned by the handle E. To the roller wheel is fixed the racket wheel F.

1770 J. Ferguson Lect. Sel. Subj. (ed. 2) 57 It is requisite to have a racket-wheel G on one end of the axle. [Errata Pag. 57, l. 14, for racket read ratchet.]

1837 Penny Cycl. IX. 150/1 There is also a racket-wheel to prevent its unwinding.

1868 Harper's Mag. Oct. 610/2 The motion was conveyed to the wheels by rack-rods connected with the piston-rod..; the alternate action of which rods upon the tooth and racket wheels with which the drum was provided producing the rotatory motion.

1899 Stevens Point (Wisconsin) Daily Jrnl. 29 July Something got the matter with the racket wheel, so that the chainless ends kept catching on the paddles.

1989 U.S. Patent 4,812,294 7/2 Polar rotation is accomplished by a similar indexing mechanism..that operates on a racket wheel..that is affixed to one trunion pin.

This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).

单词	racket wheel
释义	racket wheeln. Brit. /ˈrakɪt ˌwiːl/, U.S. /ˈrækət ˌ(h)wil/ Origin: A variant or alteration of another lexical item. Etymon: ratchet wheel n. at ratchet n.² Compounds 1 Etymology: Variant or alteration of ratchet wheel n. at ratchet n.² Compounds 1, perhaps after rack n.⁴ (compare rack n.⁴ 5). Now rare. = ratchet wheel n. at ratchet n.² Compounds 1. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > ratchet ratch1696 ratchet wheel1736 ratchet1744 ratch-wheel1744 racket wheel1758 catch wheel1786 mousing1875 1758 W. Emerson Princ. Mech. (ed. 2) xiii. 209 AB a machine to raise a weight, and stay it in any position. CD a roller turned by the handle E. To the roller wheel is fixed the racket wheel F. 1770 J. Ferguson Lect. Sel. Subj. (ed. 2) 57 It is requisite to have a racket-wheel G on one end of the axle. [Errata Pag. 57, l. 14, for racket read ratchet.] 1837 Penny Cycl. IX. 150/1 There is also a racket-wheel to prevent its unwinding. 1868 Harper's Mag. Oct. 610/2 The motion was conveyed to the wheels by rack-rods connected with the piston-rod..; the alternate action of which rods upon the tooth and racket wheels with which the drum was provided producing the rotatory motion. 1899 Stevens Point (Wisconsin) Daily Jrnl. 29 July Something got the matter with the racket wheel, so that the chainless ends kept catching on the paddles. 1989 U.S. Patent 4,812,294 7/2 Polar rotation is accomplished by a similar indexing mechanism..that operates on a racket wheel..that is affixed to one trunion pin. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022). < n.1758
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