tappet

American  

[tap-it] / ˈtæp ɪt /

noun

Machinery.

1. a sliding rod, intermittently struck by a cam, for moving another part, as a valve.

---

tappet British  

/ ˈtæpɪt /

noun

1. a mechanical part that reciprocates to receive or transmit intermittent motion, esp the part of an internal-combustion engine that transmits motion from the camshaft to the push rods or valves

---

Etymology

Origin of tappet

First recorded in 1735–45; tap ¹ + -et

Example Sentences

See Examples For:

tappet

The valves, R, which are opened by the tappet, S, are of peculiar construction, and we hope soon to be able to give details of them.

From Scientific American Supplement, No. 717, September 28, 1889 by Various

This position is maintained by the resting of the pawls, n, upon the tappet, o, until the lowering of the corresponding plate has set the pawl, n, free.

From Scientific American Supplement, No. 315, January 14, 1882 by Various

The most important are the camshaft, the camshaft rocker lever roller and the tappet.

From The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel by Colvin, Fred H. (Fred Herbert)

Running at right angles to this tappet, and close to it, either under or above, are the lock bars, or stud bars.

From How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use by Williams, Archibald

The healds are drawn down by means of a series of levers adjoining one another, and worked by means of a rocking bar driven from the tappet shaft.

From Scientific American Supplement, No. 647, May 26, 1888 by Various