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A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be parallel.
Flat belt on a belt pulley Belt and pulley system Cone pulley driven from above by a line shaft. A belt and pulley system is characterized by two or more pulleys in common to a belt. This allows for mechanical power, torque, and speed to be transmitted across axles. If the pulleys are of differing diameters, a mechanical advantage is realized.
Suspension design in military vehicles is a major area of development; the very early designs were often completely unsprung. Later-developed road wheel suspension offered only a few inches of travel using springs, whereas modern hydro-pneumatic systems allow several feet of travel and include shock absorbers .
A young man wearing suspenders with grip fastenings, 2013 A man wearing suspenders with button fastenings, 2006. Suspenders (American English, Canadian English), or braces (British English, New Zealand English, Australian English) are fabric or leather straps worn over the shoulders to hold up skirts or trousers.
At present, most trousers are held up through the assistance of a belt which is passed through the belt loops on the waistband of the trousers. However, this was traditionally a style acceptable only for casual trousers and work trousers; suit trousers and formal trousers were suspended by the use of braces ( suspenders in American English ...
Toothed belt drives are designed to limit this issue by operating at a constant pitch radius [11]). Chains are often narrower than belts, and this can make it easier to shift them to larger or smaller gears in order to vary the gear ratio. Multi-speed bicycles with derailleurs make use of this. Also, the more positive meshing of a chain can ...
Nigel Griffiths, director of auto vehicle forecasting at S&P Global Mobility, doesn’t think the European EV market will deteriorate to the extent that it would create a new Rust Belt on the ...
A "chape" is the fixed cover or plate which attaches buckle to belt while the "mordant" or "bite" is the adjustable portion. Plate-style buckles are common on western military belts of the mid-19th century, which often feature a three-hook clasp: two hooks fitting into one end of the belt and a third into the other. Officers might have a ...