tappet

American  

[tap-it] / ˈtæp ɪt /

noun

Machinery.

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

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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

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Etymology

Origin of tappet

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

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Example Sentences

See Examples For:

tappet

Each stamp has a tappet at the back, which requires to be daubed with grease on the lower side that it can be raised more easily.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola

Each faller is provided with a tappet or wooden peg driven in at one side, which engages with the teeth or “wipers” of the revolving shaft in the front of the machine.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 3 "Fenton, Edward" to "Finistere" by Various

In these grooves slides a tappet, n, connected with the axle.

From Scientific American Supplement, No. 492, June 6, 1885 by Various

When the piston nearly reaches the lower end of the cylinder, the tappet, 1, engages the arm, r, closing the steam-valve, b, and the next instant shutting the exhaust-valve, f.

From A History of the Growth of the Steam-Engine by Robert H. Thurston

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

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