Definition of Lever jack. Meaning of Lever jack. Synonyms of Lever jack

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Definition of Lever jack

Lever jack
Lever Le"ver (l[=e]"v[~e]r or l[e^]v"[~e]r; 277), n. [OE. levour, OF. leveor, prop., a lifter, fr. F. lever to raise, L. levare; akin to levis light in weight, E. levity, and perh. to E. light not heavy: cf. F. levier. Cf. Alleviate, Elevate, Leaven, Legerdemain, Levee, Levy, n.] 1. (Mech.) 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. Specif., 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. 2. (Mach.) (a) A bar, as a capstan bar, applied to a rotatory piece to turn it. (b) An arm on a rock shaft, to give motion to the shaft or to obtain motion from it. Compound lever, a machine consisting of two or more levers acting upon each other. Lever escapement. See Escapement. Lever jack. See Jack, n., 5. Lever watch, a watch having a vibrating lever to connect the action of the escape wheel with that of the balance. Universal lever, a machine formed by a combination of a lever with the wheel and axle, in such a manner as to convert the reciprocating motion of the lever into a continued rectilinear motion of some body to which the power is applied.

Meaning of Lever jack from wikipedia

- Johnny Lever, Jack Gaud Drama Krishna Arjun Shailendra Shukla Jeetendra, Vivek Mushran, Karina Grover, Upasana Singh, Ashutosh Rana, Johnny Lever Action...
- John Prakash Rao Janumala, better known by his stage name Johnny Lever (born on 14 August 1957) is an Indian actor and comedian who is known for his works...
- which the jack can operate. Using a longer operating lever soon reaches the point where the lever will simply bend at its inner end. **** jacks have now...
- pickups. He later added a custom Gretsch Anniversary Jr. with two cutaways, a lever-activated mute system, a built-in and retractable bullet microphone, and...
- ISBN 978-0-646-44439-0. "Ray Charles – Hit the Road Jack" (in Dutch). Ultratop 50. Retrieved March 8, 2014. "Lever Hit Parade, 30 November 1961". Hallberg, Eric;...
- Owen's Magic Supreme (1977) Paul Osbourne, Illusion Systems: Book 1 Derek Lever, Jack Hughes World of Magic: Vol. 2, p. 160, pub. Taurus Magic A listing for...
- loading lever was included with the revolver; a user had to partially dis****emble the revolver to re-load it. Starting in 1839, however, a reloading lever and...
- Western Phantom Gold Joseph Levering Jack Luden, Beth Marion United States B Western Pioneer Trail Joseph Levering Jack Luden, Joan Barclay United States...
- sites. The jack is steered by a tiller-like lever called a 'tow bar' that also acts on the pump piston for raising the forks. A small lever on the tow...
- Jack Ruby Shoots Lee Harvey Oswald is a 1963 photograph of nightclub owner Jack Ruby shooting accused ********in Lee Harvey Oswald. The image was captured...