tappet
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Tappet — Tap pet, n. (Mach.) A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. G. Francis. [1913 Webster] {Tappet motion}, a valve motion worked by… … The Collaborative International Dictionary of English
tappet — ► NOUN ▪ a lever or projecting part on a machine which intermittently makes contact with a cam or other part so as to give or receive motion. ORIGIN from TAP(Cf. ↑tapper) … English terms dictionary
tappet — [tap′it] n. [ TAP1 + ET] a sliding rod in an engine or machine moved by intermittent contact with a cam and used to move another part, as a valve … English World dictionary
Tappet — [ Ford I4 DOHC engine, showing the tappet just under the cam lobe] A tappet in mechanical engineering is a projection which imparts a linear motion to some other component within an assembly. Properly speaking, a tappet is only that part of a… … Wikipedia
tappet — [1] The screw used to adjust the clearance between the valve stem and the lifter or the rocker arm. [2] The valve lifter itself. See barrel tappet bucket tappet cam follower flat tappet hydraulic tappet … Dictionary of automotive terms
Tappet motion — Tappet Tap pet, n. (Mach.) A lever or projection moved by some other piece, as a cam, or intended to tap or touch something else, with a view to produce change or regulate motion. G. Francis. [1913 Webster] {Tappet motion}, a valve motion worked… … The Collaborative International Dictionary of English
Tappet rod — Tap pet rod (Mech.) A rod carrying a tappet or tappets, as one for closing the valves in a Cornish pumping engine. [Webster 1913 Suppl.] … The Collaborative International Dictionary of English
tappet wrench — A wrench designed for adjusting valve clearances on OHV engines with bucket tappet assembly that use an adjusting screw instead of valve shims for adjustment … Dictionary of automotive terms
tappet rod — noun : a rod carrying or actuating a tappet (as for opening or closing the valves in a steam or internal combustion engine) … Useful english dictionary
tappet-loom — tappˈet loom , ● tappet … Useful english dictionary
tappet — noun Etymology: irregular from 3tap Date: 1745 a lever or projection moved by some other piece (as a cam) or intended to tap or touch something else to cause a particular motion … New Collegiate Dictionary
