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chain drive |
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chain driveDevice widely used for the transmission of power where shafts are separated at distances greater than that for which gears are practical. In such cases, sprockets (wheels with teeth shaped to mesh with a chain) take the place of gears and drive one another by means of a chain passing over the sprocket teeth. The chains used in conveyor belts are commonly block chains, and consist of solid or laminated blocks connected by side plates and pins. The blocks engage with teeth on sprocket wheels. Depending on the material being moved, buckets, hooks, or other devices are connected to the blocks. chain drive [′chān ‚drīv] (mechanical engineering) A flexible device for power transmission, hoisting, or conveying, consisting of an endless chain whose links mesh with toothed wheels fastened to the driving and driven shafts. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Another gorgeous Ridgeway grandfather clock, the Salem, also sports a chain-driven clock movement and features the Westminster chime. The basic shape and configuration of the frame, wheels, pedals, saddle and handlebars of the bicycle has hardly changed since the first chain-driven model that was developed in around 1885, though many important detail improvements have been made since, especially recently by the use of modern materials and computer-aided design. The first chain-driven model of a bicycle was developed around 1885. |
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