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tappet
[ tap-it ]
noun
, Machinery.
- a sliding rod, intermittently struck by a cam, for moving another part, as a valve.
tappet
/ ˈtæpɪt /
noun
- 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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Word History and Origins
Origin of tappet1
C18: from tap 1+ -et
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Example Sentences
When the exhaust valve is operated by the tappet rod and rocker arm the intake valve is also carried down with it.
From Project Gutenberg
As the tappet is struck 400 to 600 times per minute, the wear and stress is great.
From Project Gutenberg
The resistance and pressure of the tappet tends to throw increased and unequal wear on the opposite side of the cylinder.
From Project Gutenberg
The oscillating of the tappet-arm produces an intermittent rotary motion of the ratchet-wheel.
From Project Gutenberg
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 Project Gutenberg
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