oscillating lever

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• walking beam — noun : an oscillating lever that pivots on a central axis and serves for transmitting power in such a way as to produce a reciprocating or reversible motion called also working beam * * * Mach. an overhead oscillating lever, pivoted at the middle …   Useful english dictionary

• beam — I. noun Etymology: Middle English beem, from Old English bēam tree, beam; akin to Old High German boum tree Date: before 12th century 1. a. a long piece of heavy often squared timber suitable for use in construction b. a wood or metal cylinder in …   New Collegiate Dictionary

• walking beam — Mach. an overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end. [1835 45, Amer.] * * * …   Universalium

• beam — /bim / (say beem) noun 1. a thick, long piece of timber, shaped for structural use. 2. a similar piece of metal, stone, etc. 3. Building Trades one of the main horizontal supporting members in a building or the like, as for supporting a roof or… …  

• walking-beam — ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ intransitive verb ( ed/ ing/ s) West, of a horse : to leap in bucking so as to land alternately on front and hind feet * * * walkˈing beam noun A beam or oscillating lever for transmitting power, eg that actuating the cable in… …   Useful english dictionary

• Marine steam engine — Period cut away diagram of a triple expansion steam engine installation, circa 1918 A marine steam engine is a reciprocating steam engine that is used to power a ship or boat. Steam turbines and diesel engines largely replaced reciprocating steam …   Wikipedia

• Escapement — redirects here. For the fisheries term for the stock surviving fishing pressures over a spawning cycle, see Spawn (biology). For other uses, see Escapement (disambiguation). A deadbeat escapement, used in many pendulum clocks. Click above to see… …   Wikipedia

• Fishing reel — A spinning reel A fishing reel is a cylindrical device attached to a fishing rod used in winding the line .[1] Modern fishing reels usually have fittings which make it easier to retrieve the line and deploy ( cast ) it for better accuracy or… …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• Mamod — Type Private Industry Toys Founded 1937 Founder(s) Geoffrey Malins …   Wikipedia

• Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …   Wikipedia