pinch bar a lever with a pointed projection that serves as a fulcrum; used to roll heavy wheels
ripping bar a steel lever with one end formed into a ripping chisel and the other a gooseneck with a claw for pulling nails
rocker arm,
valve rocker a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
spark lever (on early automobiles) a lever mounted on the steering column and used to adjust the timing of the ignition
control stick,
joystick,
stick a manual control consisting of a vertical handle that can move freely in two directions; used as an input device to computers or to devices controlled by computers
tappet a lever that is moved in order to tap something else
tumbler a glass with a flat bottom but no handle or stem; originally had a round bottom
lever -
a simple machine that gives a mechanical advantage when given a fulcrum
simple machine,
machine any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
lever -
A rigid piece which is capable of turning about one point, or axis the fulcrum, and in which are two or more other points where forces are applied; — used for transmitting and modifying force and motion.
lever -
Specifically, a bar of metal, wood or other rigid substance, used to exert a pressure, or sustain a weight, at one point of its length, by receiving a force or power at a second, and turning at a third on a fixed point called a fulcrum. It is usually named as the first of the six mechanical powers, and is of three kinds, according as either the fulcrum F, the weight W, or the power P, respectively, is situated between the other two, as in the figures.
lever -
A small such piece to trigger or control a mechanical device.
lever -
A bar, as a capstan bar, applied to a rotatory piece to turn it.
lever -
An arm on a rock shaft, to give motion to the shaft or to obtain motion from it.
A lever (from French lever, "to raise", c.f. a levant) is a rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force (effort) that can be applied to another object (load). This leverage is also termed mechanical advantage, and is one example of the principle of moments.
OmegaWiki Dictionary
Ω
lever Bar on which manual action is carried out to move a mechanical device, to open or close an electrical circuit.
