File:Dscf3997 FederhausKleinuhr.jpg

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Deutsch: Federhaus Federhaus eines Reiseweckers, einmal mit Feder und Federkern (links im Bild), einmal nur Federhaus mit Federkern ohne Feder (rechts im Bild)
English: Mainspring barrel of a watch, disassembled, showing the mainspring. When the owner winds the watch, the arbor at the center that the mainspring is attached to rotates, winding the spring closer around it, storing energy in the spring. The outside of the spring is attached to the barrel and the force of the wound-up spring turns the barrel. The ring of gear teeth on the barrel turns the watch's gear train. The mainspring is hooked to the barrel and arbor by tabs, so it is easy to replace if it breaks.
WARNING - Do not disassemble a watch or clock containing a mainspring without the proper tools. The mainspring contains a lot of energy and can release suddenly, causing serious injury.
Date HNH
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Author HNH
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current20:23, 4 August 2009Thumbnail for version as of 20:23, 4 August 2009906 × 440 (111 KB)HNH (talk | contribs){{Information |Description=Federhaus Federhaus eines Reiseweckers, einmal mit Feder und Federkern (links im Bild), einmal nur Federhaus mit Federkern ohne Feder (rechts im Bild) |Source= |Date=HNH |Author=HNH |Permission=GNU Free Documentation License |ot

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