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About: Mainspring     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Place, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: place New Facet based on Instances of this Class

A mainspring is a spiral torsion spring of metal ribbon—commonly spring steel—used as a power source in mechanical watches, some clocks, and other clockwork mechanisms. Winding the timepiece, by turning a knob or key, stores energy in the mainspring by twisting the spiral tighter. The force of the mainspring then turns the clock's wheels as it unwinds, until the next winding is needed. The adjectives wind-up and spring-powered refer to mechanisms powered by mainsprings, which also include kitchen timers, metronomes, music boxes, wind-up toys and clockwork radios.